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ISO 3195:1975

Sodium hydroxide for industrial use -- Sampling -- Test Sample -- Preparation of the main solution for carrying out certain determinations
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ISO 3195:1975

Sodium hydroxide for industrial use -- Sampling -- Test Sample -- Preparation of the main solution for carrying out certain determinations

PUBLISH DATE 1975
ISO 3195:1975

Indicates the conditions under which the test sample shall be prepared and relates to particular properties which require particular precautions: the samples shall be taken rapidly in a dry atmosphere, storage in an airtight bottle.

The bottle shall be made from an inert material such as polyethylene.

Preparation of the main solution with distilled carbonate-free water.

If the silica content is to be determined, the test portion shall be dissolved in a container made from silica-free material such as polyethylene or silver.

Cancels and replaces ISO Recommendations R 977/1969 and R 978/1969.

SDO ISO: International Organization for Standardization
Document Number ISO 3195
Publication Date March 15, 1975
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47
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