+ All Categories
Home > Documents > Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Date post: 10-Jan-2016
Category:
Upload: cassandra-hunter
View: 220 times
Download: 0 times
Share this document with a friend
Popular Tags:
30
Lab equipment
Transcript
Page 1: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Lab equipment

Page 2: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Objectives• Describe• Draw• List the uses of each item of lab equipment

Page 3: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

BeakerThis is a 250ml beaker.

Beakers can be found in different sizes: 100ml, 250ml, 400ml marked on the beaker.

Used as a container

Can be heated

Page 4: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Graduated CylinderThis is a graduated (marked) cylinder.

Graduated cylinders can be found in different sizes: 10, 25, 35, 50, 100ml

Used for measuring volume Graduated in ml

Page 5: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Spatula

Used for transferring solids

Metal or porcelain

Page 6: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Erlenmeyer FlaskThis is an Erlenmeyer flask.

Erlenmeyer flasks can be found in

different sizes: 125, 250, 500ml.

Used as a container; can be heated

Used for preparing mixtures

Used for doing chemical reactions

Has an opening and a flat bottom so that chemicals do not splash or swirl.

Page 8: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Volumetric FlaskCalibrated in liter: marked with 1 volume.

Used for preparing solutions

Used for measuring ONLY one volume

Has a stopper

Page 9: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Round Bottom FlaskSeveral sizes

Used for heating

Used for simple distillation

Page 10: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Flat Bottom FlaskSeveral sizes

Used for heating

Used for simple distillation

Page 11: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Separatory FunnelSeveral sizes

Has a stopper, a stop cock, and a stem

Used for separating liquid mixtures

Page 12: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Graduated PipetSeveral sizes graduated in ml

To measure and deliver specific volumes of liquid

Very accurate in measuring volumes; more accurate than graduated cylinder

Use a pipet filler to push the liquid through the pipet

Page 13: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Volumetric Pipette

Several sizes marked to a certain volume

measures and deliver specific volumes of liquid

Calibrated in ml (measures ONLY one volume)

Use a pipet filler to push the liquid through the pipet

Very accurate in measuring volumes; more accurate than graduated cylinder

Page 14: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

ProPipette or Pipette Pumps

To push the liquid through the pipette

Page 15: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Bunsen BurnerIs a metal heating device connected to a gas outlet with a rubber tubing

To heat chemicals

To light a Bunsen burner: 1) close the gas and air valve 2) hold a light match on top of the burner tube 3) turn on the gas valve 4) open the air valve slowly 4) adjust the light to produce a light blue flame

Page 16: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Test TubeSeveral sizes

To do chemical test on small sample

Can be heated

Page 17: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Test Tube HolderMetal clamp

To hold test tubes

Hold it near the opening

Page 18: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Test Tube RackMay be wood, metal, or plastic

Hold test tubes in an upright position

Page 19: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Ring StandMetal rod with a heavy base

Has many uses: support and or hold

Has a lot of accessories

Page 20: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Iron Ring

Attach to the ring

stand as a support for

apparatus

Hold funnel, wire

gauze, beakers…

Page 21: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

ClampHold apparatus

Can be attached to the ring stand

Page 22: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Wire GauzeWire screen with a ceramic fibered center (doesn’t burn)

To spread the heat of a flame

Page 23: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Mortal and Pestle

grinds chemicals to powder

Pestle

Porcelain dish with a grinder

Page 24: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Bottle

washes apparatus with distilled water

Squeezable plastic bottle with angular tip

Page 25: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Stirring RodStir combination of liquids

Page 26: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Dropper

transfers small amount of liquid

Glass and plastic droppers

Plastic used only once

Every liquid has its own dropper

Page 27: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

TripodTri: 3, pod: leg. Like a small table

holds beakers or flasks being heated on a bunsen burner

Can’t be used for a round bottom flask

Page 28: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Evaporating DishPorcelain dish

Acts as a container for small amounts of liquids being evaporated

Page 29: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Metallic Tongs

picks up and holds hot apparatus

Page 30: Lab equipment. Objectives Describe Draw List the uses of each item of lab equipment.

Eye Goggles

Used as eye glasses to protect the eyes


Recommended