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ISO 2222:1972

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Formaldehyde solutions for industrial use Limit test for inorganic sulphates
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

05-14-2019

Language(s)

English, French

Published date

12-01-1972

The specified method is applicable when the required limit is not greater than 0,1 % and not less than 0,001 %. If the required limit lies outside that range, the mass of the test portion should be changed. The principle ot the test consists in comparison of the turbidity obtained by the addition of barium chloride solution to a solution of the sample, in the presence of hydrochloric acid, with that similarly produced from a sulphate solution of known concentration.

DocumentType
Standard
Pages
2
PublisherName
International Organization for Standardization
Status
Withdrawn

Standards Relationship
NBN T 04 037 : 1983 Identical
BS 2942:1957 Similar to

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US$73.00
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