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NBN EN ISO 14637 : 2007

Current

Current

The latest, up-to-date edition.

MILK - DETERMINATION OF UREA CONTENT - ENZYMATIC METHOD USING DIFFERENCE IN PH (REFERENCE METHOD)

Published date

12-01-2013

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Foreword
1 Scope
2 Terms and definitions
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Preparation of test sample
8 Procedure
   8.1 General
   8.2 Blank determination
   8.3 Calibration
   8.4 Checking the calibration
   8.5 Determination
   8.6 Checking the stability
   8.7 Checking the contamination of the electrodes
   8.8 Cleaning procedure
9 Maintenance of the electrodes
   9.1 Regeneration
   9.2 Strong regeneration
10 Calculation and expression of results
   10.1 Calculation
   10.2 Expression of results
11 Precision
   11.1 Interlaboratory tests
   11.2 Repeatability
   11.3 Reproducibility
12 Test report
Annex A (informative) Differential pH apparatus
Annex B (informative) Interlaboratory tests
Bibliography

Provides an enzymatic method for the determination of the urea content of milk by measurement of the difference in pH.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

Standards Relationship
SN EN ISO 14637 : 2007 Identical
BS EN ISO 14637:2006 Identical
EN ISO 14637:2006 Identical
ISO 14637:2004 Identical
UNE-EN ISO 14637:2007 Identical
DIN EN ISO 14637:2007-03 Identical
UNI EN ISO 14637 : 2007 Identical

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