LaMotte SMART Spectro Spectrophotometer - Manual (Page 160)

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
41 Fluoride) from TESTING MENU.
4. Scroll to and select 41 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 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 2.11 FLUORIDE
Test P
rocedures