Can I preserve a sample for later analysis of hydrogen sulfide?

Document ID

Document ID TE1696

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Can I preserve a sample for later analysis of hydrogen sulfide?
Summary
Preserving a sample for hydrogen sulfide analysis
Answer
The Hach procedure indicates that samples should be analyzed immediately. Standard Methods include instructions for preservation with zinc acetate (Hach catalog number 1470332). Customers may see more scatter when preserving samples.