ISO 1388-9:1981

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Éthanol à usage industriel — Méthodes d’essai — Partie 9: Dosage des esters — Méthode titrimétrique après saponification

Published By	Publication Date	Number of Pages
ISO	1981-12	8

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Categories: 71.080.60 - Alcohols. Ethers, ISO

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Description

The method is applicable to products having esters contents in the range 0.005 % (m/m) to 0.15 % (m/m). The principle consists in the saponification of esters present in a test portion by boiling with excess standard volumetric sodium hydroxide solution; determination of the residual sodium hydroxide, and hence the amount used for saponification, by titration with standard volumetric hydrochloric acid solution in the presence of phenolphthalein as indicator. – International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1981-12
Pages Count	8
Language	France
Edition	1
File Size	645.1 KB
ICS Codes	71.080.60 - Alcohols. Ethers

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ISO 1388-9:1981

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