Studied by 91 people
Well Plate
This is made of plastic or ceramic and is used to hold several small amounts of liquids for reactions and analysis.
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
Griffin Beakers
Type of Beaker
“Low-Form Beaker”
Appearance - standard beaker
Uses - daily lab uses
Berzelius Beakers
Type of Beaker
“Tall-Form Beaker”
Appearance - tall and thin, height is double the diameter
Uses - titration experiments
Crystallizer
Type of Beaker
“Flat Beaker”
Appearance - typically don’t have measurement markings
Uses - crystallization, hot-bath heating
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
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,
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
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
Round-Bottom Flask
Type of Flask
Appearance - Spherical bottoms, shorter neck than volumetric
Uses - distillation, chemical reactions, heating liquid sample, and storage
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
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
Desiccator
Appearance - glass container with sealable enclosure
Uses - preserving moisture-sensitive chemicals; protect chemicals that are hygroscopic or which react with water from humidity
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
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.
Microscope Slide
Appearance - Rectangle thin flat glass
Uses - to hold objects or view samples for examination under a microscope
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.
Petri Dish
Appearance - shallow transparent lidded dish, made with glass or plastic
Uses - to culture different types of cells, including bacteria and molds.
Watch Glass
Appearance - circular piece of glass, slightly concave
Uses - evaporate liquids and cover beakers during sample preparation
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
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
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
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
Teat Pipette
“Dropper”
Combination of Pasteur pipettes and bulb
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
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
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
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
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
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)
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
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
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
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
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
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
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
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
Filter Paper
Appearance - Circle paper with tiny pores
Uses - separate fine substances from liquids or airflow as a semi-permeable barrier
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
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
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
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
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
Test Tube Stand/Rack
Used to hold upright multiple test tubes at the same time
Test Tube Holder/Clamp
Appearance - similar to a tongs
Uses - to hold test tubes when it is not supposed to be touched
Glass Rod
“Stirring Rod”
Used to mix chemicals and liquids for laboratory purposes
Crucible Tongs
a scissor-like tool used to grip and lift objects instead of holding them directly with hands.
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.
Wash Bottle
a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks
Beaker Tongs
tongs with rubber grips shaped to hold a beaker
Ceramic Fabric Squares
asbestos-free insulating squares that are ideal for protecting laboratory bench tops against heat
Rubber Stoppers
“Rubber Bungs”
used to seal bottles, tubes and many other containers
Eudiometer
“Glass Collecting Tube”
Appearance - Large glass tube, graduated
Uses - used to measure changes in volume of gases during chemical reactions
Forceps
small tool that is used to hold or pick up small objects
“tweezers”
Pneumatic Through
a piece of laboratory apparatus used for collecting gases, such as hydrogen, oxygen and nitrogen.
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
Safety Googles/Glasses
worn in the lab to protect the eyes
Spot Plate
“Reaction/culture plates"
lab instrument designed to facilitate the testing of multiple samples
Thermometer
used to measure the boiling point and freezing point during science experiments.
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
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.
Simple/Dissecting Microscope
uses a single lens for magnification
Compound Microscope
uses 3-5 lenses
'monocular and binocular
Weigh Boat
economical containers for weighing liquid or powdered samples in the laboratory
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
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
Water Bath
container filled with heated water
used to incubate samples in water at a constant temperature over a long period of time
Digital Conductivity Meters
“Digital Conductometer”
measures the electrical conductivity in a solution
reliable and accurate test instruments for measurement of Conductivity of aqueous solutions
Digital pH meter
a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH
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Flashcard (90)