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14/30311290 DC : 0

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS EN ISO 16634-2 - FOOD PRODUCTS - DETERMINATION OF THE TOTAL NITROGEN CONTENT BY COMBUSTION ACCORDING TO THE DUMAS PRINCIPLE AND CALCULATION OF THE CRUDE PROTEIN CONTENT - PART 2: CEREALS, PULSES AND MILLED CEREAL PRODUCTS
Available format(s)

Hardcopy , PDF

Superseded date

30-06-2016

Language(s)

English

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
10 Calculation and expression of results
11 Precision
12 Test report
Annex A (informative) - Flowchart for a basic Dumas apparatus
Annex B (informative) - Schematic diagrams of suitable
        types of Dumas apparatus
Annex C (informative) - Equipment calibration
Annex D (informative) - Examples of factors for converting
        nitrogen content to protein content
Annex E (informative) - Results of interlaboratory tests
Bibliography

BS EN ISO 16634-2.

Committee
AW/4
DocumentType
Draft
Pages
35
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 1871:2009 Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method
ISO 20483:2013 Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method
ISO 712:2009 Cereals and cereal products — Determination of moisture content — Reference method
ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
ISO 14891:2002 Milk and milk products Determination of nitrogen content Routine method using combustion according to the Dumas principle
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
ISO 6540:1980 Maize Determination of moisture content (on milled grains and on whole grains)
ISO 24333:2009 Cereals and cereal products — Sampling
ISO 24557:2009 Pulses Determination of moisture content Air-oven method

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