LaMotte SMART3 Colorimeter - Manual (Page 253)

PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press ENTER to select TESTING MENU.
3. Select ALL TESTS (or another sequence containing 078 Phosphate LR) from
TESTING MENU.
4. Scroll to and select 078 Phosphate LR 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 mx 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.
SMART3 Test Procedures 11.10 PHOSPHATE, High Range
Test P
rocedures