LaMotte COD3 Plus, Руководство оператора

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COD3 Plus Colorimeter 10.16
Silica
, High Range
PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press
ENTER
to select
Testing Menu
.
3. Select
All Tests
(or another sequence containing
086 Silica HR
) from
Testing
Menu
.
4. Scroll to and select 086 Silica HR 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. Add 6 drops *Silica Reagent #1 (V-4466). Cap and
invert to mix.
8. Add 12 drops of *Silica Reagent #2 (V-4467). Cap and mix. Wait 5 minutes.
9. At end of 5 minute waiting period, add 8 drops of *Silica Reagent #3 (V-4468). Cap
and mix.
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.
NOTE: To extend the range to 100 ppm, perform a 2:1 dilution of water sample, with
silica-free water. Perform test and multiply result by 2.
Testing