Name: PREN 12829 : DRAFT 2009
Brand: CEN

PREN 12829 : DRAFT 2009

Superseded

View Superseded by

SURFACE ACTIVE AGENTS - PREPARATION OF WATER WITH KNOWN CALCIUM AND MAGNESIUM HARDNESS

Superseded date

01-04-2011

Published date

12-01-2013

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Procedure
  7.1 Preparation of stock solution
      7.1.1 Calcium stock solution
      7.1.2 Magnesium stock solution
  7.2 Determination of calcium or magnesium
      content of stock solution
  7.3 Preparation of water of known calcium
      or magnesium hardness
Annex A (informative) - Units used to express
        water hardness

Defines a method of preparing water of known calcium and magnesium hardness for use in testing surface active agents and products containing them.

Committee	TC 276
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN 12829:2011

Standards	Relationship
09/30199361 DC : 0	Identical

ISO 648:2008	Laboratory glassware — Single-volume pipettes
ISO 1773:1997	Laboratory glassware Narrow-necked boiling flasks
EN ISO 1042 : 1999	LABORATORY GLASSWARE - ONE-MARK VOLUMETRIC FLASKS
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
EN ISO 385:2005	Laboratory glassware - Burettes (ISO 385:2005)