L1. LAB EQUIPMENT

OBJECTIVES:

1. Become familiar with lab equipment

2. Know the function of different types of equipment in the lab.
3. Identify lab safety symbols

• Safety goggles: To protect the eyes

• Thermometer: For measuring temperature

• Wire brush: For cleaning the inside of a test tube

• Watch glass:For measuring mass

• Tongs: For removing and holding a hot beaker

• Wire gauze: To protect the bottom of a beaker or flask from the flame; to support a beaker or flask on a ring clamp.

• Iron ring: For holding a flask, a beaker, or a test tube on a ring stand

• Test-tube holder: For holding an individual test tube

• Test-tube rack: For holding one or more test tube

• Erlenmeyer flask: For measuring and pouring liquids; NOT for heating or mixing substance

• Beaker: For measuring and pouring liquids; for heating or mixing substance

• Funnel: To aid in pouring a liquid from a wide mouth container to a small-mouth container; to filter substances when filter paper is used

• Test tubes: For heating a small amount of substance

• Tape mesure For measuring length or distance

• Micropipets: For transfer ring a small amount (drops) of liquid

• Forceps: For plucking or handling small objects

• Gas bottle: To mix or stir substances; made of glass to resist heat, stains, corrosion

• Bunsen burner: For heating, sterilitzation, and combustion

• Spatula: For stirring

• Pipet: For pulling liquid into a pipette

• Spatula: For holding solids while being weigheh, or as a cover for a beaker

• Gas bottle: For making up solutions to a known volume

• EXPLOSIVE: Substances that made explode under definite conditions. Avoid shock, friction, sparks and heat. 

• OXIDISING: Substances that can ignite combustible material or worsen existing fires and thus make fire-fighting more diffucult. Keep away from combustible material. 

• HIGHLY FLAMMABLE: Spontaneously flammable substances. Avoid contact with air. Highly flammable gases and flammables liquids. Keep away from open fires, sources of heat and sparks.

• TOXIC: Substances that very hazardous to health when breathed, swallowed or in contact with the skin and may even lead to death. Avoid contact with the human body.

• CORROSIVE: Substances that can destroy living tissue as well as equipment. Do not breath vapours and avoid contact with skin, eyes and clothing.

• IRRITANT: Symbol that designates substances that may have irritant effects on skin, eyes and respiratory organs. Do not breathe vapours and avoid contact with skin and eyes.

• HARMFUL: Substances that when taken up by the body cause slight damage. Avoid contact with the human body, including inhalation of the vapours.

What will you use for...?

1.- Holding 100mL of water: Beaker

2.- Measuring 27mL of liquid: Test Tube

3.- Measuring exactly 43mL of an acid: Erlenmeyer Flask

4.- Massing out 120g of sodium clhoride: Watch Glass