BS ISO 2171 : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
CEREALS, PULSES AND BY-PRODUCTS - DETERMINATION OF ASH YIELD BY INCINERATION
Hardcopy , PDF
30-06-2010
English
01-01-2007
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of the test sample
9 Procedure
9.1 Determination of the moisture content
9.2 Preparation of the ashing dishes
9.3 Preparation of the test portion
9.4 Pre-ashing
9.5 Ashing
9.6 Number of determinations
10 Expression of results
11 Precision
11.1 Interlaboratory tests
11.2 Repeatability
11.3 Reproducibility
11.4 Critical difference
11.5 Uncertainty
12 Test report
Annex A (informative) - Results of interlaboratory tests
Annex B (informative) - Practical application of repeatability
and reproducibility limits
Bibliography
Describes a method for determining the ash yielded by cereals, pulses and their milled products intended for human consumption.
| Committee |
AW/4
|
| DevelopmentNote |
Supersedes BS 4317-10(1993) & 06/30145276 DC. (11/2007) Renumbered and superseded by BS EN ISO 2171. (06/2010)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 3593:1981 | Starch — Determination of ash |
| ISO 712:2009 | Cereals and cereal products — Determination of moisture content — Reference method |
| ISO 6644:2002 | Flowing cereals and milled cereal products Automatic sampling by mechanical means |
| ISO 5725-6:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values |
| ISO 13690:1999 | Cereals, pulses and milled products Sampling of static batches |
| 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 5984:2002 | Animal feeding stuffs Determination of crude ash |
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