Posted by
shunpu on Thursday, August 06, 2009 12:08:39 AM
Find out how everything in a chemistry lab works, from pipettes to
burners to recrystallization to storage. You'll get precise
instructions on how to work and perform certain scientific duties in
the chem lab, whether it's chemical or just ordinary high school
science.
Because electronic balance is a precision instrument, it should be
handled carefully. Especially, a sample should be placed softly on the
balance pan. Both the inside and the outside of the electronic balance should
be always kept clean. Because grease is applied to the ground glass
parts, they are liable to catch dust. Therefore, the cover of the
desiccator should be placed upside down in the bench.