Can a sample be preserved for later analysis of hydrogen sulfide?

Document ID

Document ID TE1696

Published Date

Published Date 01/31/2019
Question
Can a sample be preserved 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 (Product # 1470332). Customers may see more scatter when preserving samples.

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