Why do we need to do neutralization in clause 54.1 of ASTM D460?
1 Answer
Jul 26, 2017
See below.
Explanation:
The determination of chloride by titration with silver nitrate using potassium chromate as an indicator is called the Mohr method.
It is based on the formation of a red precipitate of
If the solution is acidic, the chromate is converted to dichromate.
The endpoint then either comes too late or cannot be detected at all.
