Procedure – LaMotte SMART3 Colorimeter User Manual
Page 250
PROCEDURE
1. Press and hold
until colorimeter turns on.
2. Press
ENTER
to select TESTING MENU.
3. Select
ALL TESTS (or another sequence containing 077 Phenol) from
TESTING MENU.
4. Scroll to and select 077 Phenol 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 the 0.1 g spoon (0699) to add one measure
of Aminoantipyrine Reagent (7825-C). Cap and mix.
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
to turn colorimeter off or press
EXIT
to exit to a previous menu or
make another menu selection.
PHENOL
SMART3 Test Procedures 2.11
Test P
rocedures