Introduction to Laboratory in Chemistry - Apparatuses and Safety

Vocabulary flashcards identifying common chemistry laboratory apparatuses, tools, volumetric wares, balances, support materials, heating tools, and safety practices.

Graduated Cylinder

A volumetric lab ware used for measuring liquid volumes accurately.

Burette

A graduated glass tube with a stopcock at one end, used to deliver precise volumes of liquid, particularly in titrations.

Pipette and Aspirator

A measuring tube paired with a suction bulb device used to draw up and safely deliver measured liquids.

Volumetric Flask

A flat-bottomed flask calibrated to contain a precise volume of liquid at a specific temperature.

Burette Clamp

A double or single clamp device used to secure a burette firmly to a support stand.

Triple Beam Balance

A mechanical balance featuring three calibrated beams with sliding counterweights used to measure mass.

Analytical Balance

A highly sensitive laboratory balance enclosed in a draft shield designed to measure very small masses with high precision.

Double Beam Balance

A balance consisting of two pans and two calibrated beams used for comparing and measuring masses.

Test Tubes and Test Tube Rack

Clear glass tubes used to hold or mix small amounts of chemical solutions, resting in a wooden or plastic support rack.

Test Tube Holder

A metal clamp device used to hold individual test tubes securely, especially when heating them.

Beakers

Flat-bottomed cylindrical glass containers with a lip for pouring, used for stirring, mixing, and heating liquids.

Watch Glass

A shallow, circular, concave piece of glass used as a surface to evaporate liquids, weigh solids, or cover a beaker.

Petri Dish

A shallow cylindrical glass or plastic lidded dish used to hold samples or culture microorganisms.

Vials

Small glass or plastic bottles with caps used to store liquid, solid, or powder samples.

Round-Bottom Flask

A laboratory flask with a spherical base used for uniform heating, boiling, and distillation of chemical liquids.

Florence Flask

A round-bodied flask with a long neck designed for uniform heating, swirling, and boiling of liquids.

Reagent Bottles

Containers made of glass or plastic used to safely store chemical reagents and liquids.

Thermometer

A laboratory device filled with temperature-sensitive liquid used to measure temperature.

Calorimeter

An insulated container system used to measure heat transfer and energy changes in chemical processes.

Evaporating Dish

A small porcelain bowl with a spout used to evaporate excess liquid from a solution.

Crucible with Cover

A ceramic vessel with a lid capable of enduring high temperatures, used for heating solid chemical compounds.

Crucible Tong

Scissor-style metal tongs used to safely grip and transport hot crucibles or evaporating dishes.

Triangular File

A three-sided steel file used for scoring glass tubing before cutting or breaking it.

pH Meter

An electronic digital instrument used to measure the acidity or alkalinity of an aqueous solution.

Mortar and Pestle

A ceramic bowl (mortar) and heavy club-like tool (pestle) used to crush and grind solid substances into powder.

Centrifuge

A powered machine that spins fluid samples rapidly to separate components of varying densities.

Centrifuge Tube

Conical-bottomed tubes designed to fit into centrifuge rotors to process liquid samples.

Test Tube Brush

A wire-handled brush with bristles designed to scrub and clean the interior of test tubes.

Cork Borer

A metal tool with a sharp cylindrical edge used to punch holes through cork or rubber stoppers.

Distilling Flask

A round-bottom flask with an elongated side arm used to hold liquids undergoing distillation.

Condenser

A glass cooling tube apparatus that converts hot vapors back into liquids during distillation.

Adapter

A ground-glass joint component used to connect different glassware pieces in a chemical distillation or reaction setup.

Rubber Tubing

Flexible tubing used to connect gas lines, water supplies, or condensers.

Filtering Flask

A thick-walled flask with a side arm designed for suction filtration.

Filter Paper

A semi-permeable paper barrier used to separate solid particles from liquids during filtration.

Separatory Funnel

A glass funnel featuring a stopcock, used to separate two immiscible liquids of different densities.

Buchner Funnel

A glass or porcelain funnel containing a perforated plate, used for vacuum-assisted filtration.

Stand, Retort, Clamps, and Iron Ring

Support hardware including metal rods, stands, clamps, and rings used to clamp and hold equipment during experiments.

Stoppers

Cork, rubber, or plastic plugs used to seal openings on laboratory glassware.

Tripod and Wire Gauze

A three-legged metal stand holding a wire screen used to support glassware above a burner flame for even heat distribution.

Hot Plate

An electrical tabletop heating device used to heat containers without an open flame.

Alcohol Lamp

A small glass lamp that burns liquid alcohol through a wick to generate an open flame.

Bunsen Burner

A gas burner with an adjustable air inlet used to generate a hot single gas flame.

Fish Tail

A burner wing-top attachment placed over a Bunsen burner to widen the flame for bending glass.

Glass Funnel

A wide-mouthed glass cone with a narrow stem used to channel liquids or powders into small openings.

Glass Tubing

Hollow glass cylinders used to direct gases or liquids between apparatuses.

Wash Bottle

A flexible squeeze bottle with a nozzle used to rinse glass walls and flush precipitates.

Capillary Tube

Very thin glass tubing used to draw up small amounts of liquid by capillary action.

Stirring Rod

A solid glass rod used for mixing chemicals and directing liquid flow during pouring.

Spatula

A flat or spoon-ended tool used to scoop and transfer solid chemical reagents.

Liquid Dropper

A pipette tube with a squeeze bulb used to transfer liquids drop by drop.

Wafting

The safety procedure of waving your hand over a chemical container to push vapors toward your nose to sniff cautiously.

Laboratory Hood

A ventilated safety enclosure used when handling toxic byproducts, poisonous gases, or dangerous fumes.

Floor Crock

A dedicated heavy receptacle on the floor used for disposing of broken glassware and other non-combustible waste items.