EN 12138:1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
31-03-1998
17-09-1997
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Withdrawn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 |
| UNE-EN 12138:2000 | Identical |
| SN EN 12138 : 1998 | Identical |
| UNI EN 12138 : 1999 | Identical |
| NF EN 12138 : 1997 | Identical |
| DIN EN 12138:1997-12 | 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) |
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