EN 1137:1994
Withdrawn
Withdrawn
Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content - NADH spectrometric method
Published date
10-04-1994
Publisher
Withdrawn date
04-30-1995
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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Withdrawn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 |
| BS EN 1137:1995 | Identical |
| I.S. EN 1137:1995 | Identical |
| NBN EN 1137 : 1995 | Identical |
| NS EN 1137 : 1ED 1994 | Identical |
| DIN EN 1137:1994-12 | Identical |
| NF EN 1137 : 1994 | Identical |
| PN EN 1137 : 2000 | Identical |
| UNE-EN 1137:1995 | 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 |
Summarise
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