Can I use sulfuric acid to digest samples for silver testing using Hach method 8120?

Document ID

Document ID TE1230

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Can I use sulfuric acid to digest samples for silver testing using Hach method 8120?
Summary
Digestion for the silver method 8120
Answer
No, you should always use nitric acid.Never use sulfuric acid in the digestion of samples for the silver method.