EN 1137:1994

Name: EN 1137:1994
Brand: CEN

Withdrawn

Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method

Withdrawn date

30-04-1995

Published date

04-10-1994

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Symbols and abbreviations
4 Principle
5 Reagents
6 Apparatus
7 Procedure
8 Calculation
9 Precision
10 Test report
Annex A (informative) Bibliography
Annex B (informative) Statistical results of the
interlaboratory test

This European standard specifies a method for the enzymatic determination of the total content of citric acid, present either in the form of the free acid or its salts, in fruit and vegetable juices and related products.

Committee	CEN/TC 174
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Withdrawn

Standards	Relationship
NEN EN 1137 : 1994	Identical
SN EN 1137 : 1995	Identical
BS EN 1137:1995	Identical
I.S. EN 1137:1995	Identical
NBN EN 1137 : 1995	Identical
NS EN 1137 : 1ED 1994	Identical
UNE-EN 1137:1995	Identical
UNI EN 1137 : 1997	Identical
DIN EN 1137:1994-12	Identical
NF EN 1137 : 1994	Identical
PN EN 1137 : 2000	Identical

ISO 5725:1986	Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods