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