In what way does Sulfite act as an interference in the colorimetric TOC methods?

Document ID

Document ID TE5937

Version

Version 1.0

Status

Status Published

Published Date

Published Date 13/03/2017
Question
In what way does Sulfite act as an interference in the colorimetric TOC methods?
Summary
Interference explanation.
Answer
Sulfite reduces the persulfate making it unable to react with the Carbon causing a negative interference.