Table of Contents
Advertisement
6. Insert tube into chamber, close
lid and select Scan Blank.
7.
Remove tube from colorimeter.
Use 1.0 mL pipet (0354) to
add 1.0 mL of *Phosphate Acid
Reagent (V-6282). Cap and mix.
8. Use the 0.1 g spoon (0699) to
add one measure of *Phosphate
Reducing Reagent (V-6283).
9. Cap and shake until powder
dissolves. Wait 5 minutes for
full color development. Solution
will turn blue if phosphates are
present. Wip tube dry.
10. Insert tube into chamber. Close
lid. Select Scan Sample. Record
result as Ammonia-nitrogen.
NOTE: The meter will remember the last scanned blank reading. It is not
necessary to scan a blank each time the test is performed. To use the
previous blank reading, instead of scanning a new one, scroll to Scan Sample
and proceed. For the most accurate results, the meter should be blanked
081 Phosphate LR
0.99
ppm
Scan BLank
Scan Sample
12:00:00
001/500
8
05:00
Advertisement
Table of Contents
