International Standard
ISO 3566:1976
Sodium fluoride primarily used for the production of aluminium — Determination of chlorides content — Turbidimetric method
Reference number
ISO 3566:1976
ISO 3566:1976
Edition 1
1976-04
1976-04
© ISO 2024
International Standard
p
ISO 3566:1976
8971
Published
(Edition 1, 1976)
This standard was last reviewed and confirmed in 2015.
Therefore this version remains current.
Abstract
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.
General information
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Status: PublishedPublication date: 1976-04Stage: Close of review [90.60]
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Edition: 1Number of pages: 2
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Technical Committee :ISO/TC 226ICS :71.100.10
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