EN 12138:1997
Withdrawn
Withdrawn
Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
Published date
09-17-1997
Publisher
Withdrawn date
03-31-1998
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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) Information on how to treat "creep"
reactions
Annex C (informative) Statistical results of the interlaboratory
tests
This draft European Standard specifies an enzymatic method for the determination of the total content of D-malic acid, in fruit and vegetable juices and related products.
| Committee |
CEN/TC 174
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NS EN 12138 : 1ED 1998 | Identical |
| BS EN 12138:1998 | Identical |
| NEN EN 12138 : 1997 | Identical |
| NBN EN 12138 : 1997 | Identical |
| PN EN 12138 : 2000 | Identical |
| I.S. EN 12138:1998 | Identical |
| NF EN 12138 : 1997 | Identical |
| DIN EN 12138:1997-12 | Identical |
| UNE-EN 12138:2000 | 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 |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
Summarise
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