LaMotte SMART Spectro Spectrophotometer - Manual (Page 200)

PROCEDURE
Use universal sample holder.
1. Press and hold
ON button until spectrophotometer turns on.
2. Scroll to and select PROGRAMMED TESTS.
3. Scroll to and select ALL TESTS (or another sequence containing
78 Phosphate-L
) from TESTING MENU.
4. Scroll to and select 78 Phosphate-L from menu.
5. Rinse a clean tube (0290) with sample water. Fill to the 10 line with
sample.
6. Insert tube into chamber, close lid and select SCAN BLANK.
7. Remove tube from Spectro. 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
OFF button to turn spectrophotometer off or press EXIT button to
exit to a previous menu or make another menu selection.
SMART SPECTRO TEST PROCEDURES 05.04 Phosphate–LR 3/3