LaMotte SMART3 Colorimeter - Manual (Page 179)

PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press ENTER to select TESTING MENU.
3. Select ALL TESTS (or another sequence containing 040 Fluoride) from
TESTING MENU.
4. Scroll to and select 040 Fluoride from menu.
5. This test requires a reagent blank. Rinse a clean tube (0290) with clear,
colorless, fl uoride free water. Fill to the 10 mL line with clear, colorless, fl uoride
free water.
6. Use the 0.5 mL pipet (0353) to add 0.5 mL of *Sodium Arsenite Solution
(4128). Cap and mix.
7. Use the 1.0 mL pipet (0354) to add 2 measures of *Acid-Zirconyl SPADNS
Reagent (3875). Cap and mix thoroughly. (This is the reagent blank.)
8. Insert tube into chamber, close lid and select SCAN BLANK.
9. Rinse a clean tube (0290) with sample water. Fill to the 10 mL line with sample
water. Repeat steps 6 and 7 .
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.
SMART3 Test Procedures 11.13 FLUORIDE
Test P
rocedures