LaMotte SMART Spectro Spectrophotometer - Manual (Page 87)

8. Add one *Chlorine DPD #1 Instrument Grade Tablet (6903). Crush tablet
with tablet crusher. Cap and shake until tablet dissolves. Fill to 10 mL line
with sample water. Solution will turn pink if chlorine dioxide is present.
Wait 15 seconds, but no longer than 30 seconds. Mix.
9. Insert tube into chamber, close lid and select SCAN SAMPLE.
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