HI-93734-01 Chlorine, Free and Total HR, DPD Method information
Hanna's extended description
The HI-93734-01 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate colorimetric measurements. These reagents follow an adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G. The reaction between chlorine and the reagents causes a pink tint in the sample. By first adding 5 mL of HI-93734-0 reagent to the sample, followed by one packet of HI-93701-0, the reaction with free chlorine will take place. For total chlorine, addition of 3 drops of HI-93734C-0 is necessary as well. Following the appropriate reagent addition, Hanna’s compatible HI-96734 portable photometer will determine the concentration from the colour that is produced. The results will be displayed in mg/L of free or total chlorine. These reagents are designed to be used with samples that have an expected range of 0.00 to 10.0 mg/L free and total chlorine.
Tip for an accurate measurement
It is important that the sample does not contain any debris.
When the cuvette is placed into the measurement cell, it must be dry outside and completely free of fingerprints, oil or dirt. Wipe it thoroughly with HI-731318 or a lint-free cloth prior to insertion.
Shaking the cuvette can generate bubbles, causing higher readings. To obtain accurate measurements, remove such bubbles by swirling or by gently tapping the cuvette.
Do not let the reacted sample stand for too long after reagent is added, or accuracy will be lost.
After the reading, it is important to discard the sample immediately, otherwise the glass might become permanently stained.
Pre-made reagents for ease of use.
Prepared with high purity chemicals.
Specifications
Specifications list
Specifications
| Package | Packets and bottles | |
| Quantity | 100 tests | |
| Method | Adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G |
Downloadable Manuals
Product Literature
literature - PDF
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