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EN 12458 : 1999

Current
Current

The latest, up-to-date edition.

SURFACE ACTIVE AGENTS - DETERMINATION OF STABILITY IN HARD WATER
Published date

02-17-1999

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Principle
5 Reagents
6 Apparatus
7 Procedure
8 Expression of results
9 Test report
Annex A (informative) Units used to express water
        hardness

This European Standard specifies a method of assessing the stability in hard water of surface active agents which are readily soluble at ambient temperature or slightly higher temperatures.

Committee
TC 276
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
UNI EN 12458 : 2001 Identical
SN EN 12458 : 1999 Identical
UNE-EN 12458:1999 Identical
PN EN 12458 : 2001 Identical
BS EN 12458:1999 Identical
NF EN 12458 : 1999 Identical
DIN EN 12458:1999-04 Identical
NBN EN 12458 : 1999 Identical
NEN EN 12458 : 1999 Identical
NS EN 12458 : 1ED 1999 Identical
I.S. EN 12458:1999 Identical

CEN/TS 17035:2017 Surface Active Agents - Bio-based surfactants - Requirements and test methods
S.R. CEN/TS 17035:2017 SURFACE ACTIVE AGENTS - BIO-BASED SURFACTANTS - REQUIREMENTS AND TEST METHODS
PD CEN/TS 17035:2017 Surface Active Agents. Bio-based surfactants. Requirements and test methods

EN 12829:2011 Surface active agents - Preparation of water with known calcium and magnesium hardness
ISO 2174:1990 Surface active agents Preparation of water with known calcium hardness
ISO 835-2:1981 Laboratory glassware Graduated pipettes Part 2: Pipettes for which no waiting time is specified
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)

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