LaMotte SMART Spectro Spectrophotometer - Manual (Page 142)

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, fluoride free water. Fill to the 10 mL line with clear, colorless,
fluoride 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 05.04 Fluoride 1/3