ISO 2488:1973
$11.05
Potassium sulphate for industrial use — Determination of chloride content — Mercurimetric method
| Published By | Publication Date | Number of Pages |
| ISO | 1973-04 | 4 |
The principle of the analysis consists in dissolution of a test portion and addition, in a dilute acid medium, of mercuric salts which, with the chloride ions, form soluble and only slightly ionized mercury(II) chloride. Indication of the completion of the reaction by the appearance of a violet coloration due to the reaction between the excess of mercury(II) ions and the diphenylcarbazone used as indicator.
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