User Manual Q&AAnswer
Feb 23, 2025 - 10:21 PM
To perform the MACHEREY-NAGEL 985017 NANOCOLOR Chlorine-Ozone 2 Tube Test, follow these steps:
1. Free Chlorine / Chlorine Dioxide:
a. Open a test tube.
b. Pipette 4 mL of the sample into the test tube.
c. Seal the test tube and shake it vigorously.
d. Remove any air bubbles by slowly turning the cuvette.
e. Wait for 1 minute.
f. Clean the outside of the test tube.
g. Measure the sample using either method 0171 (for free chlorine) or method 0174 (for chlorine dioxide).
2. Total Chlorine:
a. Immediately after measuring the free chlorine, open a new test tube.
b. Add 3 drops of reagent R2 to the test tube.
c. Seal the test tube and shake it vigorously.
d. Wait for 2 minutes (for total chlorine, wait for 3 minutes).
e. Clean the outside of the test tube.
f. Measure the sample using method 0172.
3. Ozone:
a. Open a test tube.
b. Add 3 drops of reagent R2 to the test tube.
c. Add the test solution to the lower edge of the printing, which is equal to 5 mL.
d. Seal the test tube and shake it vigorously.
e. Wait for 2 minutes.
f. Clean the outside of the test tube.
g. Measure the sample using method 0173.
Please note that it is recommended to perform a blank value measurement and a standard measurement before every measuring series as a quality control measure. Also, make sure to adjust the pH of the sample to a range of 3-10 prior to analysis.
For further details and safety information, you can refer to the MACHEREY-NAGEL 985017 NANOCOLOR Chlorine-Ozone 2 Tube Test manual available on their website at www.mn-net.com.
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