LaMotte SMART Spectro Spectrophotometer - Manual (Page 197)

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
77 Phenol
) from TESTING MENU.
4. Scroll to and select 77 Phenol 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 the 0.1 g spoon (0699) to add one measure
of Aminoantipyrine Reagent (7825-C). Cap and mix until powder
dissolves.
8. Use the plain pipet (0352) to add 4 drops of *Ammonium Hydroxide
Solution (7826). Cap and mix.
9. Use the 1 mL pipet (0354) to add 2 mL of *Potassium Ferricyanide
Solution (7827). Cap and mix. Solution will almost immediately develop a
reddish hue if phenols are present.
10. Insert tube into chamber, close lid and select SCAN SAMPLE. Record
result.
11. Press
OFF button to turn spectrophotometer off or press EXIT button to
exit to a previous menu or make another menu selection.
Phenols 2/2 SMART SPECTRO TEST PROCEDURES 12.07