Laboratory Equipment and Skills: Recognizing Lab Equipment

Spatula

made of metal or porcelain transfer solid chemicals for weighing

Triple Beam Balance

metal and ceramic highly delicate most accurate method to determine mass requires experience to use

Buret Clamp

metal clamp flexible clips holds 2 holds burets when conducting volumetric experiments

Test Tube Clamp

metal clamp screw fastener holds test tubes or other equipment

Pinch Clamp

metal clamp with finger grips clamps together rubber hoses

Tiangle File

metal file used to etch glass used for filling

Meker Burner

metal gas vent burner with broad flame catcher produces very large high heat flame than Tirril Burner hotter flame than Bunsen Burner

Tirrill Burner

metal heating device connected to gas outlet with gas control produces very high heat flame much hotter than Bunsen Burner

Bunsen Burner

metal heating device connected to gas outlet without gas control valve produces medium heat flame, the standard lab burner

Tongs

metal pick up and hold beakers

Forceps

metal tweezers pick up or hold small objects

Beaker

pen mouth container straight sides specific volumes are marked on container container may be used like cup can be heated

Pneumatic Trough

plastic at least a foot deep holds water, gas collection bottles, and gas collection tubes

Well Plate

plastic or ceramic many small bowls holds liquids in micro experiments

Crucibile and Lid

porcelain jar with lid allows small samples to be heated to extreme temperatures

Stoppers

rubber rubber seals flasks and bottles

Wash Bottle

squeezable plastic bottle with angular tip dispenses distilled water

Test Tube Holder

thick metal wire spring handle allows for test tubes to be transferred or moved without touching with hands

Clay Triangle

triangular wire frame with clay insulators supports items being heated on ring stand

Graduated Cylinder

vertical glass hollow cylinder increment markings make precision volume measurements

Ring Stand

vertical metal rod heavy base support for rings, clamps, or other lab equipment

test Tube Rack

wire grid or made of plastic/wood Holds test tubes in upright position

Wire Gauze

wire screen has ceramic disk to dissipate heat spread heat of flame cooling heated container

Iron Ring

iron ring screw fastener variety of diameters support device for beakers, flasks, or other lab equipment

Test Tube Brush

brush with wire handle used for cleaning lab equipment

Evaporating Dish

ceramic dish holds small amounts of liquids. can be heated

Watch Glass

curved glass can cover beakers used in evaporating small amounts of liquid

Buret Funnel

glass funnel shape designed to pour liquids into burets

Volumetric Flask

glass has specified volume etched line preparation of solutions precision volume measurements

Gas Collection Tube

glass marked with inverted mL scale used to collect and measure volumes of gas from experiments

Buret

glass marked with inverted mL scale has stopcock to control flow used for precision volume measurements

Test Tube

glass or plastic container glass versions can be heated

Funnel

glass or plastic pouring liquids into buret or flask holding filter paper

Glass Stirring Rod

glass rod To stir liquids without transfer of heat used in pouring liquids

Florence Flask

glass rounded sides indicated volume container can be heated

Dropper

glass tip with rubber bulb transfer small amounts of liquid

Therometer

glass with alcohol or mercury inside plastic coating measures temperature of gas or liquid samples

Mortar And Pestle

heavy porcelain dish with grinder used to grind solid chemicals to a powder