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ISO 7105:1985

Liquefied anhydrous ammonia for industrial use -- Determination of water content -- Karl Fischer method
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ISO 7105:1985

Liquefied anhydrous ammonia for industrial use -- Determination of water content -- Karl Fischer method

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A test portion is evaporated in the presence of ethanediol and the water content of the residue is determined by the Karl Fischer method with direct electrometric measurement. The method is applicable to products having water contents equal to or greater than 50 mg/kg. For water contents greater than 1000 mg/kg it is preferable to dilute the evaporation residue with anhydrous methanol in accordance with ISO 4276 and titrate an aliquot portion of the diluted solution.

SDO ISO: International Organization for Standardization
Document Number ISO 7105
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47
Publish Date Document Id Type View
Not Available ISO 7105:1985 Revision