EN 1137:1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 citric acid (citrate) content - NADH spectrometric method
30-04-1995
04-10-1994
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Withdrawn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 |
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