PREN ISO 520 : DRAFT 2009
Current
The latest, up-to-date edition.
CEREALS AND PULSES - DETERMINATION OF THE MASS OF 1000 GRAINS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Procedure
6.1 Determination of the mass of 1000 grains
as received
6.2 Determination of the mass of 1000 grains
on dry matter basis
7 Expression of results
7.1 Method of calculation and formulae
8 Precision
8.1 Interlaboratory test
8.2 Repeatability
8.3 Reproducibility
8.4 Comparison of two groups of measurements
in one laboratory
8.5 Comparison of two groups of measurements
in two laboratories
8.6 Uncertainty
9 Note on procedure
9.1 Samples containing decorticated and
non-decorticated grains
9.2 Samples containing twin oat grains
10 Test report
Annex A (informative) - Results of the interlaboratory
test
Bibliography
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