LaMotte SMART Spectro Spectrophotometer - Manual (Page 85)

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
50 Iodine
) from TESTING MENU.
4. Scroll to and select 50 Iodine from menu.
5. Rinse a clean tube (0290) with sample water. Fill tube to the 10 mL line
with sample.
6. Insert tube into chamber, close lid and select SCAN BLANK.
7. Remove tube from Spectro. Pour off all but a sufficient amount of sample
water to cover a tablet. Add one *DPD #1 Tablet Instrument Grade
(6903). Crush tablet with tablet crusher (0175). Add sample water until
tube is filled to 10 mL line. Cap and shake until tablet dissolves. Solution
will turn pink if iodine is present. Wait 15 seconds. Mix.
8. Insert tube into chamber, close lid and select SCAN SAMPLE. Record
result.
9. Press OFF button to turn spectrophotometer off or press
EXIT button to
exit to a previous menu or make another menu selection.
Chlorine–Bromine–Iodine 8/8 SMART SPECTRO TEST PROCEDURES 04.08