What may cause low results when using PhosVer® 3 method 8048 for total phosphorus on a digested sample?

Document ID

Document ID TE370

Version

Version 4.0

Status

Status Published

Published Date

Published Date 08/09/2018
Question
What may cause low results when using PhosVer® 3 method 8048 for total phosphorus on a digested sample?
Summary
Low results when using PhosVer® 3 after digesting a sample
Answer
When using Hach PhosVer® 3 Method 8048 for total phosphorus determination on a digested sample, the color development time should be increased from 2 minutes to 10 minutes to prevent low results.

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