LaMotte DC1500 SULFATE, Manual

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8
6. Insert tube into chamber, close
lid and select Scan Blank .
7. Remove tube from colorimeter.
Use the 0.1 g spoon (0699) to
add one measure of *Sulfate
Reagent (V-6277).
8. Cap and shake vigorouslly for 15
seconds . A white precipitate will
develop if sulfates are present.
9. Wait 5 minutes. Invert tube to
mix again. Wipe tube dry.
05:00
10. Insert tube into chamber. Close
lid. Select Scan Sample . Record
result as Sulfate.
089 Sulfate HR
9
ppm
Scan BLank
Scan Sample
12:00:00 001/500
NOTE: A white film is deposited on the inside of test tubes as a result of the
sulfate test. Thoroughly clean and rinse test tubes after each test.
NOTE: The Sulfate test is sensitive to temperature. Best results will be
obtained if the water sample is 20° - 23°C.
Analy
sis