Norm

ISO 1388-2:1981 en

Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein

31,57

Over deze norm

Status Definitief
Aantal pagina's 2
Gepubliceerd op 01-11-1981
Taal Engels
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.

Details

ICS-code 71.080.60
Nederlandse titel Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein
Engelse titel Ethanol for industrial use - Methods of test - Part 2: Detection of alkalinity or determination of acidity to phenolphthalein

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