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Procedure – LaMotte SMART Spectro Spectrophotometer User Manual

Page 149

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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

36 Cyanuric) from TESTING MENU.

4. Scroll to and select 36 Cyanuric 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 Spectro and pour out water. Use a graduated cylinder or

similar to measure 5 mL of sample water and pour into colorimeter tube.

8. Use the 5 mL syringe (0807) to add 5 mL of *Cyanuric Acid Test Solution

(4856). Cap and mix thoroughly. A precipitate will form if cyanuric acid is

present. Wait 1 minute.

NOTE: This reagent bottle has a special fi tting which enables the syringe to

be inserted into the top of the bottle. With syringe in place, invert bottle and

withdraw syringe plunger until 5 mL of reagent is contained in the syringe

barrel. Remove syringe from reagent bottle and depress plunger to dispense

into the tube.

9. At end of 1 minute waiting period, mix thoroughly, insert tube into chamber,

close lid and select SCAN SAMPLE. Record result.

10. Press OFF button to turn spectrophotometer off or press EXIT button to exit to

a previous menu or make another menu selection.

NOTE: For the most accurate results, the sample and reagents should be at 25

±4°C.

CYANURIC ACID

SMART Spectro Test Procedures 2.11

Test P

rocedures