Homepage>ISO Standards>ISO 3694:1977-Ammonium sulphate for industrial use-Determination of chloride ions content-Potentiometric method
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download between 0-24 hoursReleased: 1977
ISO 3694:1977
Ammonium sulphate for industrial use
CURRENCY
Standard´s number:
ISO 3694:1977
Pages:
4
Edition:
1
Released:
1977
Language:
English
DESCRIPTION
ISO 3694:1977
Applicable to products having chloride ion contents of equal to or more than 0.0005 % (m/m). Potentiometric titration of the ions with silver nitrate solution in a nitric acid-acetone-water medium, using a silver measurement electrode and a calomel referende electrode.