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BS ISO 16560:2015

Current
Current

The latest, up-to-date edition.

Surface active agents. Determination of polyethylene glycol content in nonionic ethoxylated surfactants. HPLC method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-30-2015

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Expression of results
10 Precision
11 Test report
Annex A (informative) - Results of interlaboratory tests
        for fatty alcohol ethoxylate

Defines a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non-ionic surface active agents of the type R-(O-C[2]H[4])[n]OH; where n is the mean ethylene oxide (EO) value.

This International Standard specifies a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non-ionic surface active agents of the type R-(O-C2H4)n OH; where n is the mean ethylene oxide (EO) value. It is applicable to all ethoxylated products soluble in methanol or methanol/water mixture. This method applies to PEG concentrations as mass fraction greater than or equal to 0,1%. This International Standard is not applicable to PEG whose molar mass is lower than 400g/mol. Monomeric ethylene glycol, diethylene glycol, triethylene glycol, and glycerol are not detected.

Committee
CII/34
DevelopmentNote
Supersedes 12/30255203 DC. (05/2015)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 16560:2015 Identical

ISO 607:1980 Surface active agents and detergents Methods of sample division
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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Hardcopy - English
PDF - English
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