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ARSENIC,
4.
Measure 250 mL
of sample into the
distillation flask
using a graduated
cylinder.
7.
Measure 1 mL of
Stannous Chloride
Solution into the
flask.
Note: Use a serologic
pipet to measure the
solution.
continued
Stir control: 5
Heat control: 0
5.
Turn on the power
switch. Set the stir
control to 5. Set the
heat control to 0.
8.
Add 3 mL of 20%
Potassium Iodide
Solution to the flask.
Cap.
Note: Use a serologic
pipet to measure the
solution.
6.
hydrochloric acid,
ACS, into the flask
using a graduated
cylinder.
9.
52-22
Measure 25 mL of
15 minutes
Wait 15 minutes.
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