LaMotte COD3 Plus, Руководство оператора

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COD3 Plus Colorimeter 10.16
Fluoride
PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press
ENTER
to select
Testing Menu
.
3. Select
All Tests
(or another sequence containing
045 Fluoride
) from
Testing
Menu
.
4. Scroll to and select 045 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.
Testing