Procedure – LaMotte SMART3 Colorimeter User Manual
Page 259
PROCEDURE
1. Press and hold
until colorimeter turns on.
2. Press
ENTER
to select TESTING MENU.
3. Select
ALL TESTS (or another sequence containing 080 Phosphate ppb)
from TESTING MENU.
4. Scroll to and select 080 Phosphate ppb from menu.
5. Rinse a clean tube (0290) with sample water. Fill to the 10 mL line with sample.
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). Cap and shake until powder dissolves. Wait 5 minutes for
full color development. Solution will turn blue if phosphates are present.
9. At end of 5 minute waiting period, mix, insert tube into chamber, close lid and
select SCAN SAMPLE. Record result.
10. Press
to turn colorimeter off or press
EXIT
to exit to a previous menu or
make another menu selection.
Test P
rocedures
SMART3 Test Procedures 11.10
PHOSPHATE, ppb