ISO-3566 Sodium fluoride primarily used for the production of aluminium -- Determination of chlorides content -- Turbidimetric method

ISO-3566 - 1ST EDITION - CURRENT


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Applicable to products having a chlorides content, expressed as chlorine, of equal to or more than 0.005 % (m/m). The principle consists in precipitation, in the presence of boric acid, of chloride ions with silver nitrate. Comparison of the opalescence of the test solution with that of standard matching solutions using Nessler tubes against a black background. Turbidimetric evaluation of the mass of precipitate.

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Document Number

ISO 3566:1976

Revision Level

1ST EDITION

Status

Current

Publication Date

April 1, 1976

Committee Number

ISO TC 47/SC 7