BS EN 13270-2001 (2004) PDF

Full title and description

STB BS EN 13270-2001 (2004) — Surface active agents. Determination of the active matter content in alkyl dimethyl betaines. British adoption of EN 13270:2001 providing a laboratory test method (potentiometric/acid–base titration) for measuring active matter content in alkyl dimethyl betaine surfactants.

Abstract

This standard specifies a method to determine the active matter content of alkyl dimethyl betaines. It covers required reagents and apparatus, sampling and sample preparation, the titration procedure (including potentiometric end‑point determination), calculation and expression of results, precision (repeatability and reproducibility) and test reporting. Informative annexes include interlaboratory (ring) test results and example titration parameters and curves.

General information

• Status: Current (British adoption of EN 13270:2001).
• Publication date: 08 January 2004 (BS adoption of EN 13270:2001).
• Publisher: British Standards Institution (BSI).
• ICS / categories: 71.100.40 Surface active agents (surfactants).
• Edition / version: BS EN 13270:2001 (national publication 2004).
• Number of pages: 14 pages.

Scope

The standard applies to the determination of the active matter content in alkyl dimethyl betaines using an analytical titration technique suitable for the concentration ranges described in the standard (method limits and practical concentration ranges are given in the text). It defines sampling and sample preparation, required reagents and apparatus, the stepwise procedure, calculations, precision criteria and the information to be included in the test report.

Key topics and requirements

• Definition of the analytical principle (potentiometric/acid–base titration) for alkyl dimethyl betaines.
• Detailed list of reagents and consumables required for the test.
• Apparatus specification and recommended titration setup (including potentiometric electrodes).
• Sampling, sample preparation and dilution instructions to bring samples into the method’s working range.
• Stepwise titration procedure, end‑point determination and calculation of active matter content.
• Precision data (repeatability and reproducibility) and guidance from interlaboratory ring tests.
• Required content and format for the test report and example annex material (titration curves, parameters).

Typical use and users

Used by chemical and formulation laboratories, quality control teams at surfactant and detergent manufacturers, raw‑material suppliers, contract analytical laboratories and regulatory or standards bodies that require a validated method for reporting active matter in alkyl dimethyl betaines.

Related standards

Standards commonly cited with or referenced by BS EN 13270 include ISO and EN methods on sampling and analytical quality (for example ISO 607 for sample division, ISO 5725‑2 on precision, and ISO/EN 3696 for laboratory water). The document is the national adoption of EN 13270:2001 and has identical national equivalents in several countries.

Keywords

surface active agents; surfactants; alkyl dimethyl betaines; active matter content; potentiometric titration; analytical method; BSI; EN 13270.

FAQ

Q: What is this standard?

A: BS EN 13270:2001 (published as a BSI adoption in January 2004) is a test method standard for measuring the active matter content of alkyl dimethyl betaines (a class of surfactants) using titration techniques.

Q: What does it cover?

A: It covers reagents, apparatus, sampling and sample preparation, the titration procedure and end‑point determination, calculation and expression of results, precision (repeatability and reproducibility) and required test reporting; informative annexes give ring test data and example titration parameters and curves.

Q: Who typically uses it?

A: Analytical and quality control laboratories in surfactant/detergent manufacturing, raw‑material suppliers, contract testing labs and standards/regulatory bodies use this method for routine testing and specification verification.

Q: Is it current or superseded?

A: As published in the BSI catalogue the document is presented as the national adoption of EN 13270:2001 (published by BSI on 8 January 2004) and is listed as current by standard distributors; users should check with BSI or their national standards body for any amendments or later revisions before use.

Q: Is it part of a series?

A: It is one of the EN/ISO family of surfactant analytical methods addressing surface active agents and is the EN 13270:2001 method specifically for alkyl dimethyl betaines; related EN/ISO standards cover sampling, laboratory water quality and precision assessment.

Q: What are the key keywords?

A: surface active agents; alkyl dimethyl betaines; active matter; surfactant analysis; potentiometric titration; analytical precision; BSI; EN 13270.