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ISO 3235:1975

Sodium sulphate for industrial use — Determination of acid-insoluble matter ISO 3235:1975

Publication date:   Jul 1, 1975

95.99   Withdrawal of Standard   May 27, 2002

General information

95.99   Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

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Withdrawn

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Scope

Applicable to anhydrous and hydrated products. The principle consists in dissolution of a test portion in water, subsequent addition of hydrochloric acid. Heating on a boiling wather bath for 30 min, filtration, drying and weighing of the residue.

Life cycle

NOW

WITHDRAWN
ISO 3235:1975
95.99 Withdrawal of Standard
May 27, 2002




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