Will DPD chlorine tests detect Bromine?

Document ID

Document ID TE1033

Published Date

Published Date 01/29/2019
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Question
Will DPD chlorine tests detect Bromine?
Summary
Bromine as chlorine
Answer
Yes. Bromine is an interference in total chlorine analysis, bromine will show up as 1 mg Cl/L for every 2.25 mg Br/L actually present. When analyzing for free chlorine, bromine can interfere but it will be significantly less and not easily quantified.
 

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