ISO 3708:1976
Withdrawn
Phosphoric acid for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method
Hardcopy , PDF
English, French
11-01-1976
04-05-2019
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.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BS 4258-9:1978 | Similar to |
| NFT 20 481 : 79 FD | Identical |
| NBN T 03 269 : 1980 | Identical |
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