Summary Of Method; Replacement Parts - Hach POCKET COLORIMETER II Instruction Manual

Chloramine (Mono),
continued
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Table 3 Color Development Time Based on Sample Temperature (Continued)
Sample Temperature
Time minutes
°C °F
25 77 2

Summary of Method

In the presence of a cyanoferrate catalyst, monochloramine in the sample reacts
with a substituted phenol to form an intermediate monoimine compound. The
intermediate couples with excess substituted phenol to form a green-colored
indophenol, which is proportional to the amount of monochloramine present in
the sample.

Replacement Parts

Required Reagents
Description Unit Cat. No.
Monochlor-F Reagent Pillows ...................................................... 50/pkg .... 28022-46
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