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ISO 2466:1973

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

Üldinfo
Kehtiv alates 01.04.1973
Tegevusala (ICS grupid)
71.060.40 Alused
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
01.04.1973
Põhitekst
Põhitekst
Põhitekst
Provides certain indications relating to the sampling and indicates the conditions under which the test sample should be prepared The special properties which make particular precautions essential such as hygroscopic characteristics, absorption of carbon dioxide, corrosive action on containers, should be stressed. The preparation of the main solution is carried out by dissolution of the test portion in distillated water or by transfer of the liquid test portion directly and quantitatively in a one-mark volumetric flask. Cancels and replaces ISO Recommendation R 988-1969 and ISO recommendation R 989-1969.
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