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

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

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Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method - ISO 7105:1985 - CSA Group
CSA Group
Toronto, Ontario, Canada
Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method
ISO 7105:1985
Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method ISO 7105:1985
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.

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.

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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 7105:1985
Product Name Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method
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