DD ISO/TS 17837:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
Hardcopy , PDF
28-02-2014
English
31-12-2008
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Foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of the test sample
8.1 Cheese
8.2 Milk
9 Procedure
9.1 Traditional method
9.2 Block digestion method
9.3 Blank test
9.4 Recovery tests
10 Calculation and expression of results
10.1 Calculation
10.2 Expression of results
11 Precision
11.1 Interlaboratory test
12 Test report
Annex A (informative) - Interlaboratory trial
Bibliography
Defines a method for the determination of the nitrogen content and crude protein content by calculation in milk and milk products by using the Kjeldahl principle, both traditional and block digestion methods.
| Committee |
AW/5
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| RevisionOf | |
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO/TS 17837:2008 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 385:2005 | Laboratory glassware — Burettes |
| ISO 707:2008 | Milk and milk products — Guidance on sampling |
| ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
| ISO 4788:2005 | Laboratory glassware — Graduated measuring cylinders |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
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