Laboratory Equipments

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1

Well Plate

This is made of plastic or ceramic and is used to hold several small amounts of liquids for reactions and analysis.

<p>This is made of plastic or ceramic and is used to hold several small amounts of liquids for reactions and analysis.</p>
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Beakers

Appearance - cylindrical container with a flat bottom, most have a spout

Uses - to hold and measure liquids, heating them over a Bunsen burner's flame, titration experiments

  • commonly used as containers

<p>Appearance - cylindrical container with a flat bottom, most have a spout</p><p>Uses - to hold and measure liquids, heating them over a Bunsen burner&apos;s flame, titration experiments</p><ul><li><p>commonly used as containers</p></li></ul>
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Griffin Beakers

Type of Beaker

“Low-Form Beaker”

Appearance - standard beaker

Uses - daily lab uses

<p>Type of Beaker</p><p><em>“Low-Form Beaker”</em></p><p>Appearance - standard beaker</p><p>Uses - daily lab uses</p>
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Berzelius Beakers

Type of Beaker

Tall-Form Beaker”

Appearance - tall and thin, height is double the diameter

Uses - titration experiments

<p>Type of Beaker</p><p>“<em>Tall-Form Beaker”</em></p><p>Appearance - tall and thin, height is double the diameter</p><p>Uses - titration experiments</p>
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Crystallizer

Type of Beaker

“Flat Beaker”

Appearance - typically don’t have measurement markings

Uses - crystallization, hot-bath heating

<p>Type of Beaker</p><p><em>“Flat Beaker”</em></p><p>Appearance - typically don’t have measurement markings</p><p>Uses - crystallization, hot-bath heating</p>
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Philips Beaker

Type of Beaker

Appearance - Slopping walls and narrow towards the mouth, slightly conical shape

Uses - mainly use for viscous liquids, daily lab uses

<p>Type of Beaker</p><p>Appearance - Slopping walls and narrow towards the mouth, slightly conical shape</p><p>Uses - mainly use for viscous liquids, daily lab uses</p>
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Flask

Appearance - usually made of glass, has a wider body and narrow neck

Uses - to make and hold solutions, to measure chemicals, to contain chemical reactions like boiling, precipitation and analysis,

<p>Appearance - usually made of glass, has a wider body and narrow neck</p><p>Uses - to make and hold solutions, to measure chemicals, to contain chemical reactions like boiling, precipitation and analysis,</p>
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Erlenmeyer Flask

Type of Flask

Conical Flask”

Appearance - Conical shape, short neck

Uses - it’s designed so that its contents can be swirled easily without spilling out, boiling liquids, titration experiments

  • used as reaction vessels

<p>Type of Flask</p><p>“<em>Conical Flask”</em></p><p>Appearance - Conical shape, short neck</p><p>Uses - it’s designed so that its contents can be swirled easily without spilling out, boiling liquids, titration experiments</p><ul><li><p>used as reaction vessels</p></li></ul>
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Volumetric Flask

Type of Flask

Appearance - long neck, pear-shaped, flat bottom

  • The flask's label also indicates the nominal volume, tolerance, precision class, relevant manufacturing standard and the manufacturer's logo.

Uses - precise dilutions and preparation of standard solutions,

  • more accurate than graduated cylinders and beakers

  • often used when solutions containing dissolved solids of known concentration are needed

<p>Type of Flask</p><p>Appearance - long neck, pear-shaped, flat bottom</p><ul><li><p>The flask&apos;s label also indicates the nominal volume, tolerance, precision class, relevant manufacturing standard and the manufacturer&apos;s logo.</p></li></ul><p>Uses - precise dilutions and preparation of standard solutions,</p><ul><li><p>more accurate than graduated cylinders and beakers</p></li><li><p>often used when solutions containing dissolved solids of known concentration are needed</p></li></ul>
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Round-Bottom Flask

Type of Flask

Appearance - Spherical bottoms, shorter neck than volumetric

Uses - distillation, chemical reactions, heating liquid sample, and storage

<p>Type of Flask</p><p>Appearance -  Spherical bottoms, shorter neck than volumetric</p><p>Uses - distillation, chemical reactions, heating liquid sample, and storage</p>
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Büchner flask

Type of Flask

Filtering Flask or Bunsen flask or Sidearm flask

Appearance - conical shape with a flat bottom, tapered neck, and a sidearm for use in vacuum filtration.

Uses - rapid filtration of liquids

  • Used with Buchner funnel and a hose to a source of vacuum in vacuum-assisted liquid filtering

<p>Type of Flask</p><p><em>Filtering Flask or Bunsen flask or Sidearm flask</em></p><p>Appearance - conical shape with a flat bottom, tapered neck, and a sidearm for use in vacuum filtration.</p><p>Uses - rapid filtration of liquids</p><ul><li><p>Used with Buchner funnel and a hose to a source of vacuum in <em>vacuum-assisted liquid filtering</em></p></li></ul>
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Florence Flask

Type of Flask

Appearance - round bottom, wider and longer neck than round-bottom flask, no glass joint in the neck,

Uses - useful as a reaction vessel as well as for heating solutions

<p>Type of Flask</p><p>Appearance - round bottom, wider and longer neck than round-bottom flask, no glass joint in the neck,</p><p>Uses - useful as a reaction vessel as well as for heating solutions</p>
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Desiccator

Appearance - glass container with sealable enclosure

Uses - preserving moisture-sensitive chemicals; protect chemicals that are hygroscopic or which react with water from humidity

<p>Appearance - glass container with sealable enclosure</p><p>Uses - preserving moisture-sensitive chemicals; protect chemicals that are hygroscopic or which react with water from humidity</p>
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Crucible

Appearance - cup-shaped with lid, usually made of porcelain

Uses - used to contain chemical compounds when heating them to very high temperatures

  • needs to be heat-treated before its first use

<p>Appearance - cup-shaped with lid, usually made of porcelain</p><p>Uses - used to contain chemical compounds when heating them to very high temperatures</p><ul><li><p>needs to be heat-treated before its first use</p></li></ul>
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Kipp’s Apparatus

“Kipp Generator”

Appearance - made of glass; consists of three vertically stacked chambers, roughly resembling a snowman

Uses - for preparation of small volumes of gases.

<p><em>“Kipp Generator”</em></p><p>Appearance - made of glass; consists of three vertically stacked chambers, roughly resembling a snowman</p><p>Uses - for preparation of small volumes of gases.</p>
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Microscope Slide

Appearance - Rectangle thin flat glass

Uses - to hold objects or view samples for examination under a microscope

<p>Appearance - Rectangle thin flat glass</p><p>Uses - to hold objects or view samples for examination under a microscope</p>
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Cover Slip

Appearance - a thin flat piece of glass, smaller than M. Slide

Uses - placed over a specimen on a microscope slide, to hold the specimen in place and protect it from contamination from the environment.

<p>Appearance - a thin flat piece of glass, smaller than M. Slide</p><p>Uses - placed over a specimen on a microscope slide, to hold the specimen in place and protect it from contamination from the environment.</p>
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Petri Dish

Appearance - shallow transparent lidded dish, made with glass or plastic

Uses - to culture different types of cells, including bacteria and molds.

<p>Appearance - shallow transparent lidded dish, made with glass or plastic</p><p>Uses - to culture different types of cells, including bacteria and molds.</p>
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Watch Glass

Appearance - circular piece of glass, slightly concave

Uses - evaporate liquids and cover beakers during sample preparation

<p>Appearance - circular piece of glass, slightly concave</p><p>Uses - <em>evaporate liquids</em> and cover beakers during sample preparation</p>
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Beral Pipette

Type of Pipette

“Transfer Pipettes”

Appearance - Plastic Pipette, graduated or non-graduated

Uses - Non-quantitative transfer, transfer a larger amount of liquid where accuracy is not important,

  • Disposable

<p>Type of Pipette</p><p><em>“Transfer Pipettes”</em></p><p>Appearance - Plastic Pipette, graduated or non-graduated</p><p>Uses - Non-quantitative transfer, transfer a <em>larger amount of liquid</em> where accuracy is not important,</p><ul><li><p>Disposable</p></li></ul>
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Pasteur Pipette

Type of Pipette

“Glass Pipette”

Appearance - thin glass transfer pipette, usually not-graduated

Uses - transfer small amounts of liquids

  • needs a rubber bulb to draw liquid

  • higher precision and more accuracy as compared to the Beral pipette

  • dropper or eye dropper

<p>Type of Pipette</p><p>“Glass Pipette”</p><p>Appearance - thin glass transfer pipette, usually not-graduated</p><p>Uses - transfer small amounts of liquids</p><ul><li><p>needs a rubber bulb to draw liquid</p></li><li><p>higher precision and more accuracy as compared to the Beral pipette</p></li><li><p>dropper or eye dropper</p></li></ul>
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Volumetric Pipette

Type of Pipette

“Bulb Pipette”

Appearance - long slender necks, equipped with a large bulb with a single graduation mark

Uses -

to transfer the volume of liquid for use in creating a solution or dilution, prepare solutions for titration

can be used to investigate chemical properties and analyze reactions

  • highly accurate for specific volume

<p>Type of Pipette</p><p>“Bulb Pipette”</p><p>Appearance - long slender necks, equipped with a large <em>bulb</em> with a <em>single graduation mark</em></p><p>Uses -</p><p>to transfer the volume of liquid for use in creating a solution or dilution, prepare solutions for titration</p><p>can be used to investigate chemical properties and analyze reactions</p><ul><li><p>highly accurate for specific volume</p></li></ul>
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Serological Pipettes

Type of Pipette

“Blow-out pipettes”

Appearance - graduated, long and straight tube, uses pipette bulb, pen-like

  • designed to be blown out by either external air pressure or gravitation force

  • requires a vacuum source for liquid dispensing

Uses - transferring liquid in milliliter volumes, useful for mixing solutions and cell suspensions

  • offer clear ascending and descending graduation

<p>Type of Pipette</p><p><em>“Blow-out pipettes”</em></p><p>Appearance - graduated, long and straight tube, uses pipette bulb, pen-like</p><ul><li><p>designed to be blown out by either external air pressure or gravitation force</p></li><li><p>requires a vacuum source for liquid dispensing</p></li></ul><p>Uses - transferring liquid in milliliter volumes, useful for mixing solutions and cell suspensions</p><ul><li><p>offer clear ascending and descending graduation</p></li></ul>
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Teat Pipette

Dropper”

Combination of Pasteur pipettes and bulb

<p>“<em>Dropper”</em></p><p>Combination of Pasteur pipettes and bulb</p>
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Pipette Bulb

Appearance - bulb, usually made of rubber

Use - to create a vacuum or apply pressure to the liquid contents of a pipette; to collect, transfer, and dispense liquids

<p>Appearance - bulb, usually made of rubber</p><p>Use - to create a vacuum or apply pressure to the liquid contents of a pipette; to collect, transfer, and dispense liquids</p>
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Funnel

Appearance - a tube or pipe that is wide at the top and narrow at the bottom

Uses - filtering, filling, decanting or transferring liquids or powders from one vessel to another

<p>Appearance - a tube or pipe that is wide at the top and narrow at the bottom</p><p>Uses - filtering, filling, decanting or transferring liquids or powders from one vessel to another</p>
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Büchner Funnel

Type of Funnel

Appearance -cylindrical construction with a large, fritted (or perforated) top opening consisting of many tiny holes

Uses - separate solids from liquids, vacuum-assisted liquid filtering, removes moisture and helps to collect recrystallized compounds

  • Filter Funnels

  • often used with Buchner flask

  • proceeds more quickly than other funnels

<p>Type of Funnel</p><p>Appearance -cylindrical construction with a large, fritted (or perforated) top opening consisting of many tiny holes</p><p>Uses - separate solids from liquids, <em>vacuum-assisted liquid filtering</em>, removes moisture and helps to collect recrystallized compounds</p><ul><li><p>Filter Funnels</p></li><li><p>often used with Buchner flask</p></li><li><p>proceeds more quickly than other funnels</p></li></ul>
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Hirsch Funnel

Type of Funnel

Appearance - similar to Buchner but smaller and have sloping walls

Uses - used to filter and collect solids from a small volume of liquid (1-10 ml)

  • Filter Funnels

<p>Type of Funnel</p><p>Appearance - similar to Buchner but smaller and have sloping walls</p><p>Uses - used to filter and collect solids from a small volume of liquid (1-10 ml)</p><ul><li><p>Filter Funnels</p></li></ul>
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Dropping Funnel

Type of Funnel

Appearance - glass tube with a large cylindrical bulb in the middle, have a valve in the bottom, narrow at the bottom and have a wide opening at the top

Uses - transfer fluids, used to add or drop liquids to a reaction mixture, useful for adding reagents slowly

  • stopcock (valve) allows the flow to be controlled

  • Pressure equalizing funnel, addition funnels

  • can be graduated or non-graduated

<p>Type of Funnel</p><p>Appearance - glass tube with a large cylindrical bulb in the middle, have a valve in the bottom, narrow at the bottom and have a wide opening at the top</p><p>Uses - transfer fluids, <em>used to add or drop liquids</em> to a reaction mixture, useful for adding reagents slowly</p><ul><li><p>stopcock (valve) allows the flow to be controlled</p></li><li><p>Pressure equalizing funnel, addition funnels</p></li><li><p>can be graduated or non-graduated</p></li></ul>
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Separating Funnels

Type of Funnel

Appearance - wide at the bottom and have a narrow opening at the top, Squibb or pear shape

  • have a stopper on top to prevent spills

  • have a stopcock(valve)

Uses - separate immiscible liquids, separate low-density liquid and high density

  • not designed for filtration (solid from liquid)

<p>Type of Funnel</p><p>Appearance - wide at the bottom and have a narrow opening at the top, Squibb or pear shape</p><ul><li><p>have a stopper on top to prevent spills</p></li><li><p>have a stopcock(valve)</p></li></ul><p>Uses - separate immiscible liquids, separate low-density liquid and high density</p><ul><li><p>not designed for filtration (solid from liquid)</p></li></ul>
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Powder Funnel

Type of Funnel

Appearance - typical funnels but have a wider spout and short neck

Uses - to channel liquids or fine-grained chemicals (powders) into labware with a narrow neck or opening,

  • enable the clean transfer of powders, granulated materials, or other solids

<p>Type of Funnel</p><p>Appearance - typical funnels but have a wider spout and short neck</p><p>Uses - to channel liquids or fine-grained chemicals (powders) into labware with a narrow neck or opening,</p><ul><li><p>enable the clean transfer of powders, granulated materials, or other solids</p></li></ul>
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Weighing Funnel

Type of Funnel

Appearance - have a wide opening, flat bottoms, and are designed to fit narrow neck vessels.

Uses - weighing and transporting powder

  • one flat side for stability, ensuring that the funnel will not roll-off

<p>Type of Funnel</p><p>Appearance - have a wide opening, flat bottoms, and are designed to fit narrow neck vessels.</p><p>Uses - weighing and transporting powder</p><ul><li><p>one flat side for stability, ensuring that the funnel will not roll-off</p></li></ul>
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Test Tubes

“culture or sample tube”

Appearance - finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom

  • spherical bottom and vertical sides reduce mass loss when pouring, make them easier to wash out, and allow convenient monitoring of the contents

  • narrow neck of test tube slows down the spreading of gases to the environment

Uses - to hold, mix, or heat small quantities of solid or liquid chemicals; to culture, or grow, samples of various organic materials such as bacteria, mold, and yeast

  • Boiling Tube - larger tube for boiling substances

<p><em>“culture or sample tube”</em></p><p>Appearance - finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom</p><ul><li><p>spherical bottom and vertical sides reduce mass loss when pouring, make them easier to wash out, and allow convenient monitoring of the contents</p></li><li><p>narrow neck of test tube slows down the spreading of gases to the environment</p></li></ul><p>Uses - to hold, mix, or heat small quantities of solid or liquid chemicals; to culture, or grow, samples of various organic materials such as bacteria, mold, and yeast</p><ul><li><p>Boiling Tube - larger tube for boiling substances</p></li></ul>
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Spirit Lamp/ Alcohol Burner

Appearance - small jar with a tank for fuel and comes with a lid which has a tiny hole to hold a single wick

Uses - used to produce open single flame (2 inches), can be used for flame sterilization

  • Typical fuel is denatured alcohol, methanol, or isopropanol

  • cap is used as a snuffer for extinguishing the flame

<p>Appearance - small jar with a tank for fuel and comes with a lid which has a tiny hole to hold a single wick</p><p>Uses - used to produce open single flame (2 inches), can be used for flame sterilization</p><ul><li><p>Typical fuel is denatured alcohol, methanol, or isopropanol</p></li><li><p>cap is used as a snuffer for extinguishing the flame</p></li></ul>
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Bunsen Burner

Appearance - air gas burner

Used - for heating, sterilization, and combustion

  • The gas can be natural gas (which is mainly methane) or a liquefied petroleum gas, such as propane, butane, or a mixture.

  • the burner is placed underneath a laboratory tripod, which supports a beaker or other container

  • alternative burners; teclu, meker, tirrill

<p>Appearance - air gas burner</p><p>Used - for heating, sterilization, and combustion</p><ul><li><p>The gas can be natural gas (which is mainly methane) or a liquefied petroleum gas, such as propane, butane, or a mixture.</p></li><li><p>the burner is placed underneath a laboratory tripod, which supports a beaker or other container</p></li><li><p>alternative burners; teclu, meker, tirrill</p></li></ul>
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Graduated Cylinder

Measuring Cylinders

Appearance- long and slender containers with measurement, tall cylindrical beakers

Uses - used to measure the volume of a liquids, chemicals or solutions, can measure displacement

  • more precise and accurate than the common laboratory flasks and beakers

<p>Measuring Cylinders</p><p>Appearance- long and slender containers with measurement, <em>tall cylindrical beakers</em></p><p>Uses - used to measure the volume of a liquids, chemicals or solutions, can measure displacement</p><ul><li><p>more precise and accurate than the common laboratory flasks and beakers</p></li></ul>
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Mortar and Pestle

Appearance - Bowl and Pestle commonly made of stone, ceramic, or wood

Uses - crush up solid chemicals into smaller pieces, or to grind solids into fine powder, makes it easier to dissolve solids into solvents

<p>Appearance - Bowl and Pestle commonly made of stone, ceramic, or wood</p><p>Uses - crush up solid chemicals into smaller pieces, or to grind solids into fine powder, makes it easier to dissolve solids into solvents</p>
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Tripod Stand

Appearance - three-legged platform, commonly triangular or circular, tall enough for a bunsen burner

Uses - basic heating experiments, platform to support and hols flask and beakers

<p>Appearance - three-legged platform, commonly triangular or circular, tall enough for a <u>bunsen burner</u></p><p>Uses - basic heating experiments, platform to support and hols flask and beakers</p>
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Filter Paper

Appearance - Circle paper with tiny pores

Uses - separate fine substances from liquids or airflow as a semi-permeable barrier

<p>Appearance - Circle paper with tiny pores</p><p>Uses - separate fine substances from liquids or airflow as a semi-permeable barrier</p>
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Burette

Appearance - graduated glass tube with a stopcock(valve)

  • stopcock is at top; gas burette, at bottom; liquid burette

Uses - quantitative chemical analysis to measure the volume of a liquid or a gas, used for titration

<p>Appearance - graduated glass tube with a stopcock(valve)</p><ul><li><p>stopcock is at top; gas burette, at bottom; liquid burette</p></li></ul><p>Uses - quantitative chemical analysis to measure the volume of a liquid or a gas, used for titration</p>
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Burette Clamp

Appearance - single or double Y-shaped items, with a C-shaped opening, which have spring action clamps

Uses - specifically to hold and secure a burette on a stand

<p>Appearance - single or double Y-shaped items, with a C-shaped opening, which have spring action clamps</p><p>Uses - specifically to hold and secure a burette on a stand</p>
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Utility Clamp

Appearance - attached to a medal rod or the ring stand

Uses - used to fasten or support apparatus such as a beaker, and flasks, etc.

  • Two/Three - Prong Extension Clamps, Fixed-Position Clamps, Closed-Yoke Clamps, Fixed-Position Clamps

<p>Appearance - attached to a medal rod or the ring stand</p><p>Uses -  used to fasten or support apparatus such as a beaker, and flasks, etc.</p><ul><li><p>Two/Three - Prong Extension Clamps, Fixed-Position Clamps, Closed-Yoke Clamps, Fixed-Position Clamps</p></li></ul>
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Ring Clamps

iron ring”

Appearance - conjoined metal ring and radially extending rod

Uses - used to hold separatory funnels and secure funnels when filtering or pouring liquids

  • have superior thermal resistance and offer some of the most stability you can get out of a stand clamp

<p>“<em>iron ring”</em></p><p>Appearance - conjoined metal ring and radially extending rod</p><p>Uses - used to hold separatory funnels and secure funnels when filtering or pouring liquids</p><ul><li><p>have superior thermal resistance and offer some of the most stability you can get out of a stand clamp</p></li></ul>
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Ring Stand

Clamp/retort/support stand”

Appearance - heavy base and a vertical rod

Uses - stability when different clamps and iron rings are attached, distillations, filtration, and titration experiments

<p>“<em>Clamp/retort/support stand”</em></p><p>Appearance - heavy base and a vertical rod</p><p>Uses - stability when different clamps and iron rings are attached, distillations, filtration, and titration experiments</p>
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Test Tube Stand/Rack

Used to hold upright multiple test tubes at the same time

<p>Used to hold upright multiple test tubes at the same time</p>
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Test Tube Holder/Clamp

Appearance - similar to a tongs

Uses - to hold test tubes when it is not supposed to be touched

<p>Appearance - similar to a tongs</p><p>Uses - to hold test tubes when it is not supposed to be touched</p>
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Glass Rod

“Stirring Rod”

Used to mix chemicals and liquids for laboratory purposes

<p><em>“Stirring Rod”</em></p><p>Used to mix chemicals and liquids for laboratory purposes</p>
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Crucible Tongs

a scissor-like tool used to grip and lift objects instead of holding them directly with hands.

<p>a scissor-like tool used to grip and lift objects instead of holding them directly with hands.</p>
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Spatula/Scoopula

spatula-like scoop utensil; used for scraping, transferring, or applying powders and paste-like chemicals or treatments. Many spatula brands are also resistant to acids, bases, heat, and solvents, which make them ideal for use with a wide range of compounds.

<p><u>spatula</u>-like scoop utensil; <mark data-color="yellow"><em>used for scraping, transferring, or applying powders and paste-like chemicals or treatments.</em></mark> Many spatula brands are also <mark data-color="yellow"><em>resistant to acids, bases, heat, and solvents</em></mark>, which make them ideal for use with a wide range of compounds.</p>
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Wash Bottle

a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks

<p>a squeeze bottle with a nozzle, <mark data-color="yellow"><em>used to rinse various pieces of laboratory glassware</em></mark>, such as test tubes and round bottom flasks</p>
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Beaker Tongs

tongs with rubber grips shaped to hold a beaker

<p>tongs with <mark data-color="yellow">rubber grips</mark> shaped to hold a beaker</p>
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Ceramic Fabric Squares

asbestos-free insulating squares that are ideal for protecting laboratory bench tops against heat

<p>asbestos-free <mark data-color="yellow"><em>insulating squares</em></mark> that are ideal for protecting laboratory bench tops against heat</p>
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Rubber Stoppers

Rubber Bungs

used to seal bottles, tubes and many other containers

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Eudiometer

Glass Collecting Tube”

Appearance - Large glass tube, graduated

Uses - used to measure changes in volume of gases during chemical reactions

<p>“<em>Glass Collecting Tube”</em></p><p>Appearance - Large glass tube, graduated</p><p>Uses - used to measure changes in volume of gases during chemical reactions</p>
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Forceps

small tool that is used to hold or pick up small objects

tweezers”

<p>small tool that is used to hold or pick up small objects</p><p>“<em>tweezers”</em></p>
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Pneumatic Through

a piece of laboratory apparatus used for collecting gases, such as hydrogen, oxygen and nitrogen.

<p>a piece of laboratory apparatus <mark data-color="yellow"><em>used for collecting gases</em></mark>, such as hydrogen, oxygen and nitrogen.</p>
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RUBBER TUBING

  • Rubber tubing is often connected to a condenser, which is a laboratory tool used in the process of distillation;

  • helps cool water to flow in and out of the condenser and helps the heated water vapor in the condenser return to its liquid state;

  • used to circulate and transport liquids and gases

<ul><li><p>Rubber tubing is often connected to a condenser, which is a laboratory tool <mark data-color="yellow"><em>used in the process of distillation;</em></mark></p></li><li><p>helps cool water to flow in and out of the condenser and helps the heated water vapor in the condenser return to its liquid state;</p></li><li><p><mark data-color="yellow"><em>used to circulate and transport liquids and gases</em></mark></p></li></ul>
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Safety Googles/Glasses

worn in the lab to protect the eyes

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Spot Plate

Reaction/culture plates"

lab instrument designed to facilitate the testing of multiple samples

<p>“<em>Reaction/culture plates&quot;</em></p><p>lab instrument designed to facilitate the testing of multiple samples</p>
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Thermometer

used to measure the boiling point and freezing point during science experiments.

<p>used to measure the boiling point and freezing point during science experiments.</p>
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Wire Gauze

  • used to spread the heat of a burner flame and to support glassware

  • Intended for flat-bottomed glassware such as beakers, and flasks.

  • made of iron wire strands with or without ceramic interior cores

<p></p><ul><li><p>used to spread the heat of a burner flame and to support glassware</p></li><li><p>Intended for flat-bottomed glassware such as beakers, and flasks.</p></li><li><p>made of iron wire strands with or without ceramic interior cores</p></li></ul>
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Reagent bottle

“media bottles or graduated bottles”

  • containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers

  • They are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.

<p><em>“media bottles or graduated bottles”</em></p><ul><li><p>containers made of glass, plastic, borosilicate or related substances, and topped by special caps or <u>stoppers</u></p></li><li><p>They are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.</p></li></ul>
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Simple/Dissecting Microscope

  • uses a single lens for magnification

<ul><li><p>uses a single lens for magnification</p></li></ul>
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64

Compound Microscope

  • uses 3-5 lenses

  • 'monocular and binocular

<ul><li><p>uses 3-5 lenses</p></li><li><p>&apos;monocular and binocular</p></li></ul>
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65

Weigh Boat

economical containers for weighing liquid or powdered samples in the laboratory

<p>economical containers for <mark data-color="yellow"><em>weighing liquid or powdered samples</em></mark> in the laboratory</p>
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66

Magnetic Stirrer

  • consists of a rotating magnet or a stationary electromagnet that creates a rotating magnetic field.

  • This device is used to make a stir bar, immerse in a liquid, quickly spin, or stirring or mixing a solution

<ul><li><p>consists of a rotating magnet or a stationary electromagnet that creates a rotating magnetic field.</p></li><li><p>This device is used to make a stir bar, immerse in a liquid, quickly spin, or stirring or mixing a solution</p></li></ul>
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67

Digital Balance

  • electronic balance”

  • is used to precisely and accurately measure the weight of materials

  • The use of electronic balance includes scientific and pharmaceutical research, bakeries, and chemical laboratories

<ul><li><p>“<em>electronic balance”</em></p></li><li><p>is used to precisely and accurately <mark data-color="yellow"><em>measure the weight of materials</em></mark></p></li><li><p>The use of electronic balance includes scientific and pharmaceutical research, bakeries, and chemical laboratories</p></li></ul>
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68

Water Bath

  • container filled with heated water

  • used to incubate samples in water at a constant temperature over a long period of time

<ul><li><p>container filled with heated water</p></li><li><p>used to incubate samples in water at a constant temperature over a long period of time</p></li></ul>
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69

Digital Conductivity Meters

Digital Conductometer”

  • measures the electrical conductivity in a solution

  • reliable and accurate test instruments for measurement of Conductivity of aqueous solutions

<p>“<em>Digital Conductometer”</em></p><ul><li><p>measures the electrical conductivity in a solution</p></li><li><p>reliable and accurate test instruments for measurement of Conductivity of aqueous solutions</p></li></ul>
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70

Digital pH meter

a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH

<p>a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH</p>
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