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4. Rinse a clean tube (0290)
5. Insert tube into chamber, close
6. Remove tube from colorimeter.
7.
8. Cap and shake until powder
1.800.561.8187
three times with the phosphate
standard. Fill to the 10 mL line
with the phosphate standard.
Cap the tube. Dry the tube with a
lint-free cloth.
lid and select Scan Blank.
Use 1.0 mL pipet (0354) to
add 1.0 mL of *Phosphate Acid
Reagent (V-6282). Cap and mix.
Use the 1.0 g spoon (0699) to
add one measure of *Phosphate
Reducing Reagent (V-6283).
dissolves. Wait 5 minutes for
full color development. Solution
will turn blue if phosphates are
present. Wip tube dry.
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