ISO 7105:1985

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

Published By	Publication Date	Number of Pages
ISO	1985-06	6

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Categories: 71.060.99 - Other inorganic chemicals, ISO

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Description

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.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1985-06
Pages Count	6
Language	France
Edition	1
File Size	307.2 KB
ICS Codes	71.060.99 - Other inorganic chemicals

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ISO 7105:1985

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