ISO 3708:1976
Phosphoric acid for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method
OVERVIEW
Applicable to products having Cl- contents, expressed as chlorine, equal to or more than 0.001 % (m/m). The lower limit can be extended downwards by using weaker standard reference and volumetric solutions. Describes potentiometric titration of the ions with silver nitrate solution in a nitric acid-acetone-water medium using a silver measurement electrode and a calomel reference electrode.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 03 Jan 2024 |
|---|---|
| Edition | 1976 |
| No. of Pages | 4 |
| ICS Classification | 71.060.30 Acids 67.220.20 Food additives |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |