CSA Group Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein ISO 1388-2:1981

Description
The method is applicable to products having acidities equal to or greater than 0.0008 % (m/m). The principle consists in the dilution of a test portion with carbon dioxide-free water, checking whether the test solution is alkaline or acid to phenolphthalein, and, if appropriate, determination of the acidity by titration with standard volumetric sodium hydroxide solution. The acidity is expressed as a percentage by mass of acetic acid. - International Standards ISO 1388/1 to 1388/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.
  • Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein - ISO 1388-2:1981 - CSA Group
    CSA Group
Description
The method is applicable to products having acidities equal to or greater than 0.0008 % (m/m). The principle consists in the dilution of a test portion with carbon dioxide-free water, checking whether the test solution is alkaline or acid to phenolphthalein, and, if appropriate, determination of the acidity by titration with standard volumetric sodium hydroxide solution. The acidity is expressed as a percentage by mass of acetic acid. - International Standards ISO 1388/1 to 1388/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

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Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein - ISO 1388-2:1981 - CSA Group
CSA Group
Toronto, Ontario, Canada
Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein
ISO 1388-2:1981
Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein ISO 1388-2:1981
The method is applicable to products having acidities equal to or greater than 0.0008 % (m/m). The principle consists in the dilution of a test portion with carbon dioxide-free water, checking whether the test solution is alkaline or acid to phenolphthalein, and, if appropriate, determination of the acidity by titration with standard volumetric sodium hydroxide solution. The acidity is expressed as a percentage by mass of acetic acid. - International Standards ISO 1388/1 to 1388/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

The method is applicable to products having acidities equal to or greater than 0.0008 % (m/m). The principle consists in the dilution of a test portion with carbon dioxide-free water, checking whether the test solution is alkaline or acid to phenolphthalein, and, if appropriate, determination of the acidity by titration with standard volumetric sodium hydroxide solution. The acidity is expressed as a percentage by mass of acetic acid. - International Standards ISO 1388/1 to 1388/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 1388-2:1981
Product Name Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein
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