Can the high range dissolved oxygen (HRDO) or Indigo methods be used to measure DO in samples containing sulfite (40 ppm) or at high temperatures (200F)?

Document ID

Document ID TE1665

Version

Version 3.0

Status

Status Published

Published Date

Published Date 07/10/2018
Question
Can the high range dissolved oxygen (HRDO) or Indigo methods be used to measure DO in samples containing sulfite (40 ppm) or at high temperatures (200F)?
Summary
Measuring dissolved oxygen (DO) in high temperature samples and samples containing sulfite
Answer
The HRDO and Indigo methods should both work well in samples with sulfite and temperatures of about 200F.

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