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PICTURES MAY NOT BE EXACT

graduated cylinder

measures liquid volume accurately (usually between 5 and 100 mL) (could be made of plastic)

buret

accurately measures the volume of a solution that is transferred during a titration reaction

pipet

measures small liquid volumes accurately (use a pipetter, not ones mouth), useful in making dilutions

volumetric flask

used to make solutions of known concentration, accurate liq. vol. measurement

gas collecting tube

tube that accurately measures gas volumes generated in a reaction through liquid displacement

beaker

holds liquid, use for water bath. Never used to measure volume even though sizes read 50 mL, 100 mL, 150 mL, 250 mL, 400 mL, 600 mL, 1000 mL

Erlenmeyer flask

holds liquid, shape ideal for swirling without spillage, used for titrations. Never used to measure volume regardless of volume reading on flask

Florence flask

holds liquid, narrow neck enables swirling and clamping with utility clamp. Never used to measure volume

sidearm flask

triangular flask with a side jet to assist in vacuum filtration (always used with a Buchner funnel)

separatory funnel

separates liquids based on density

dropping bottle

holds solutions

medicine dropper

transports unmeasured, small amounts of liquids

test tube

hold chemicals

watch glass

used to heat small amounts of solution when separating the solid from the liquid in a solution

evaporating dish

used to heat large amounts of solution when separating the solid from the liquid in a solution

mortar and pestle

used to grind up crystalline and granular solids into fine powder

crucible and lid

used to hold solids when heated to high temperatures

dessicator

stores solids in a moisture-free environment

spot plate

small plate with several depressions or wells used to hold small samples of solutions or reactions

plastic wash bottle

holds distilled water which is used to make solutions or to rinse glassware or to rinse a precipitate from a beaker

Buchner funnel

porous, flat bottomed funnel used for vacuum filtration

funnel

used to channel material into a narrow opening or used to separate insoluble matter from a liquid

stirring rod

stir (may have a rubber policeman attached to help stir material in the edges of a beaker)

ring stand

support, foundation for utility clamps, iron rings, buret clamps & thermometer clamps

iron ring

support vessels (clay triangle & wire gauze) while heating, also small iron rings support funnels

wire gauze

spreads heat evenly as it rests on an iron ring, ideal for supporting beakers that are being heated.

thermometer

measures temperature, typically in degrees Celsius (+/- 0.2 oC uncertainty)

thermometer clamp

holds thermometer upright heating/cooling (should keep thermometer off heated container)

utility clamp

holds vessels (test tubes, Erl. flasks & Flor. flasks) securely while heating, attaches vessel to ring stand

test tube holder

grasps hot test tubes, transports hot test tubes, allows user to manually heat a test tube.

clay triangle

supports the crucible while resting on iron ring during the heating process

crucible tongs

transport hot crucible on & off the clay triangle, in & out of the dessicator & to lift crucible lid

beaker tongs

transports hot beakers & glassware, Never use to transport hot ceramics as rubber will melt

test tube brush

clean test tubes (various diameters for various sized glassware)

beaker brush

Larger bristle surface for cleaning beakers

buret brush

long handle, narrow bristles and handle allow for cleaning a buret or gas collecting tube

buret clamp

supports burets and gas collecting tubes when attached to a ring stand

scoopula (spatula)

transport small amounts of solid

triangular file

etches glass so that the glass can be cut

rubber stopper

closes a vessel such as a test tube, Erlenmeyer flask or Florence flask

magnetic stirring plate

internal magnet spins a magnet in an Erlenmeyer flask during a titration

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