Chemistry_pigments barium white 3r ESO

1. Dani Giner
Andaluzia Prepeleac
3r ESO
Barium White An InexpensiveBarium White An Inexpensive
White PigmentWhite Pigment

2. Barium WhiteBarium White
An Inexpensive White PigmentAn Inexpensive White Pigment

4. Pour 5 mL of a
saturated
solution of
sodium sulfate
into a beaker

5. Add 5 mL of a
saturated solution
of barium chloride
to the beaker and
mix well.

6. The precipitate formed
is very fine and difficult
to filter, so you will use
filtration and
evaporation to separate
the solid white
pigment, barium sulfate
from the excess liquid.

7. Evaporate the
clear liquid.
Recover the white
precipitate from
the watch glass