Is there a way to remove sulfite interference in Hach Tannin and Lignin Method 8193?

Document ID

Document ID TE1703

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Is there a way to remove sulfite interference in Hach Tannin and Lignin Method 8193?
Summary
Removing sulfite interference from Hach Method 8193
Answer
To remove sulfite interference, add 1 mL of formaldehyde (catalog number 205932) to the sample before the sample test.