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Homepage>ISO 3566:1976-Sodium fluoride primarily used for the production of aluminium — Determination of chlorides content — Turbidimetric method
sklademVydáno: 1976
ISO 3566:1976-Sodium fluoride primarily used for the production of aluminium — Determination of chlorides content — Turbidimetric method

ISO 3566:1976

ISO 3566:1976-Sodium fluoride primarily used for the production of aluminium — Determination of chlorides content — Turbidimetric method

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Označení normy:ISO 3566:1976
Počet stran:2
Vydání:1
Vydáno:1976
DESCRIPTION

ISO 3566:1976


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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