l. noha soliman biochemistry lab instruments. introduction of biochemistry labs and safety rules
TRANSCRIPT
Do not smell any chemicals directly!
• If absolutely necessary to smell,
• use your hand to fan the vapor to your nose.
Do not pipette solutions by mouth!
Use a rubber suction bulb or other device to fill a pipette.
Watch Glass
A watch glass is used to hold a small amount
of solid, such as the product of a reaction.
Litmus Paper
Red litmus paper is used to identify bases.
Blue litmus paper is used to identify acids.