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METHOD PROCEDURE
8.3. FREE CHLORINE (LIQUID REAGENT)
Note: Free and Total Chlorine have to be measured separately with fresh unreacted
samples, following the related procedures, if both values are desired.
REQUIRED REAGENTS
Code Description Quantity
HI93701A-F Free Chlorine Reagent A 3 drops
HI93701B-F Free Chlorine Reagent B 3 drops
REAGENT SETS
HI93701-F Free Chlorine Reagent - 300 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
• Select the Free Chlorine (Liquid) method using the procedure described in the
METHOD SELECTION section.
Note: If tutorial mode is disabled, follow the measurement procedure below. If the
tutorial mode is enabled, press Measure and follow the messages on the screen.
• Fill the cuvette with 10 mL of unreacted sample (up
to the mark). Replace the plastic stopper and the cap.
• Insert the cuvette into the holder and ensure that the
notch on the cap is positioned securely in the groove.
• Press Zero. The display will show “-0.0-” when the meter is zeroed and ready for
measurement.
10 mL
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