EN 1138:1994
Withdrawn
Withdrawn
Fruit and vegetable juices - Enzymatic determination of L-malic acid (L-malate) 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Withdrawn date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 and reactions
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 an enzymatic method for the determination of the total content of L-malic 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Withdrawn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 |
| I.S. EN 1138:1995 | Identical |
| PN EN 1138 : 2001 | Identical |
| BS EN 1138:1995 | Identical |
| NEN EN 1138 : 1994 | Identical |
| DIN EN 1138:1994-12 | Identical |
| NBN EN 1138 : 1995 | Identical |
| NF EN 1138 : 1994 | Identical |
| NS EN 1138 : 1ED 1994 | Identical |
| UNE-EN 1138:1995 | 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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