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DIN EN 14668:2005-09

Current
Current

The latest, up-to-date edition.

SURFACE ACTIVE AGENTS - DETERMINATION OF QUATERNARY AMMONIUM SURFACE ACTIVE AGENTS IN RAW MATERIALS AND FORMULATED PRODUCTS - POTENTIOMETRIC TWO-PHASE TITRATION METHOD
Available format(s)

Hardcopy , PDF

Published date

01-01-2005

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and preparation of the test solution
7 Procedure
8 Calculation and expression of results
9 Precision
10 Test report
Annex A (informative) Titration apparatus settings
Annex B (informative) Potentiometric two-phase titration - typical
                      titration curve
Annex C (informative) Results of inter-laboratory test
Bibliography

Defines a method for the determination of the content of quaternary ammonium surface active agents in raw materials and formulated products, defined as being the amount of quaternary ammonium surface active agents expressed in millimoles per 100 g of product.

DocumentType
Standard
Pages
14
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

DIN ISO 607:1985-08 SURFACE ACTIVE AGENTS AND DETERGENTS - METHODS OF SAMPLE DIVISION
ISO 2871-2:2010 Surface active agents — Detergents — Determination of cationic-active matter content — Part 2: Cationic-active matter of low molecular mass (between 200 and 500)
ISO 2871-1:2010 Surface active agents — Detergents — Determination of cationic-active matter content — Part 1: High-molecular-mass cationic-active matter
ISO 607:1980 Surface active agents and detergents Methods of sample division
EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter (ISO 2871-1:2010)
EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500) (ISO 2871-2:2010)
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
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
DIN ISO 3696:1991-06 WATER FOR ANALYTICAL LABORATORY USE - SPECIFICATION AND TEST METHODS

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