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Procedure – LaMotte SMART3 Colorimeter User Manual

Page 250

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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