MIOX RIO-S Series Operators Manual
102-00130-D
Page
73
7. Check the chlorine residual again. If the chlorine value is the same as the last reading,
the chlorine demand in the water has been met and the water is stable.
8. If the chlorine value is different than the last reading, wait 15 minutes and check it
again. Repeat this procedure until the chlorine residual is stable.
9. Record the final chlorine residual value for use in the analysis that follows.
Measuring Chlorine Concentration
1. Fill the 250 mL glass beaker with approximately 200 mL of oxidant to be tested.
2. Rinse the jar several times with chlorine demand-free water and then fill to the 2500 mL,
or 5000 mL line with demand-free water, depending on which dilution technique you are
using:
• MIOX Series Systems: Use a 1:2500 ratio (= 1.0 mL solution to 2500 mL water or
2 mL solution to 5000 mL water.)
• HYPO Series Systems: Use a 1:5000 ratio (= 1 mL solution to 5000 mL water)
3. Rinse the pipette several times by drawing in several mL of oxidant and discarding it.
4. With the pipette, accurately measure the solution sample needed (according to the
dilution technique used above) and add to the jar containing demand-free water.
5. Cap and shake the jar several seconds to mix thoroughly.
6. Using the solution from the jar, take a reading by following the directions provided with
the test kit.
7. For demand-free water created using:
• Method One (no chlorine residual in water): For the chlorine residual value
obtained in step #6 above, multiply by the dilution ratio used in step #2.
Example:
The chlorine reading from Step #6 was 1.75 mg/l, and the dilution ratio
used was 1:2500. Chlorine concentration is:
1.75 mg/L x 2500 = 4375 mg/L
• Method Two (chlorine residual present in dilution water): Subtract the chlorine
residual value obtained in step #6 above by the chlorine residual value measured in
the demand- free water to determine the net chlorine value. Next, multiply this net
chlorine value by the dilution ratio from Step #2 to get the chlorine concentration of
the oxidant.
Example:
The chlorine reading from Step #6 was 2.25 mg/L, the chlorine residual
measured in the demand-free water was 0.5 mg/L, and the dilution ratio used was
1:2500. Chlorine concentration is:
Содержание RIO-S Series
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