Is there a chlorine demand standard?

Document ID

Document ID TE1153

Version

Version 3.0

Status

Status Published

Published Date

Published Date 03/08/2018
Question
Is there a chlorine demand standard?
Summary
Standards for chlorine demand
Answer
Hach does not provide a standard for chlorine demand. The method for chlorine demand involves a chlorine test, but at varying temperatures, contact times, etc. which are defined by the customer. As a result, we can test the accuracy of the chlorine measurement using a chlorine standard, but we cannot test the accuracy of the chlorine demand since it depends on how the customer defines the test.

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