ISO 5374:1978Withdrawn

Condensed phosphates for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method

Phosphates condensés à usage industriel (y compris les industries alimentaires) — Dosage des chlorures — Méthode potentiométrique

Abstract / scope

Applicable to products having contents expressed in chlorine equal to or more than 30 mg/kg. Potentiometric titration of the chloride ions with standard volumetric silver nitrate solution in a nitric acid-acetone-water medium, at a temperature below 20 0C, using a silver measurement electrode and a colomel reference electrode or a pair of silver-mercury(I) sulphate electrodes. Has also been approved by the IUPAC.