LaMotte COD3 Plus, Руководство оператора

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Manganese
, High Range COD3 Plus Colorimeter 10.16
PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press
ENTER
to select
Testing Menu
.
3. Select
All Tests
(or another sequence containing
059 Manganese HR
) from
Testing
Menu
.
4. Scroll to and select 059 Manganese HR from menu.
5. Rinse a 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. Use the 0.1 g spoon (0699) to add two measures of
Manganese Buff er Reagent (6310). Cap and mix until powder dissolves.
8. Use the 0.15 g spoon (0727) to add one measure of *Manganese Periodate
Reagent (6311). Cap and shake for one minute. An undissolved portion of the
reagent may remain in the bottom of the tube without adversely aff ecting the test
results. Wait two minutes for maximum color development. Solution will turn pink if
manganese is present.
9. At the end of the two minute waiting period, mix, insert tube into chamber, close lid
and select
Scan Sample
. Record result.
10. Press to turn colorimeter off or press EXIT to exit to a previous menu or
make another menu selection.
Testing