ISO 1388-11:1981..
ISO 1388-12:1981..
ISO 1388-2:1981
ISO 1388-3:1981
ISO 1388-5:1981
ISO 1388-6:1981
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ISO 1388-4:1981
Ethanol for industrial use — Methods of test — Part 4: Estimation of content of carbonyl compounds present in moderate amounts — Titrimetric method
Automatically translated name:
Ethanol for industrial use -- Methods of test -- Part 4: Estimation of content of carbonyl compounds present in moderate amounts -- Titrimetric method
STANDARD published on 1.12.1981
The information about the standard:
Designation standards: ISO 1388-4:1981
Publication date standards: 1.12.1981
SKU: NS-425008
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 1388-4:1981 :
Description / Abstract: The method is applicable to products having carbonyl compounds contents equal to or greater than 0.01 % (m/m). The method only allows determination of those carbonyl compounds which react under the specified conditions. The principle is based on the reaction of hydroxylammonium chloride with the carbonyl compounds in a test portion and titration of the hydrochloric acid formed with standard volumetric sodium hydroxide solution, in the presence of bromophenol blue 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.
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