BS EN ISO 6540:2021 – TC

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Tracked Changes. Maize. Determination of moisture content (on milled grains and on whole grains)

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BSI	2021	78

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Description

This document specifies two methods:

a reference method for the determination of the moisture content of maize grains and ground whole maize, groats, grits and maize flour, see Clause 4;
a routine method for the evaluation of the moisture content of maize in whole grains, see Clause 5.

The latter is not suitable for use for experts’ reports, or for calibration or checking of humidity meters, because of its significant bias to the reference method (see Table B.3).

PDF Catalog

PDF Pages	PDF Title
46	National foreword
48	European foreword
50	Foreword
51	Introduction
53	1 Scope 2 Normative references 3 Terms and definitions 4 Reference method 4.1 Principle 4.2 Apparatus
54	4.3 Sampling 4.4 Preparation of the test sample 4.4.1 Products not requiring to be ground
55	4.4.2 Products requiring to be ground 4.5 Procedure 4.5.1 Number of determinations 4.5.2 Test portion
56	4.5.3 Drying 4.5.4 Weighing 4.6 Expression of results
57	4.7 Precision 4.7.1 Interlaboratory test 4.7.2 Repeatability 4.7.3 Reproducibility 4.7.4 Comparison of two groups of measurements in a laboratory 4.7.5 Comparison of two groups of measurements in two laboratories
58	4.7.6 Uncertainty 4.7.7 Comparison with the absolute method 4.8 Notes on procedure 4.9 Test report
59	5 Routine method on whole grains 5.1 Principle
60	5.2 Apparatus 5.3 Sampling 5.4 Procedure 5.4.1 Test portion 5.4.2 Drying 5.4.3 Number of determinations
61	5.5 Expression of results 5.5.1 Method of calculation and formulae 5.5.2 Repeatability 5.5.3 Reproducibility 5.5.4 Comparison of two groups of measurements in a laboratory
62	5.5.5 Comparison of two groups of measurements in two laboratories 5.5.6 Application of fidelity limits 5.6 Remark 5.7 Test report
63	Annex A (informative) Absolute method
70	Annex B (informative) Interlaboratory test results
76	Annex C (informative) Application of fidelity data for the whole grains method
77	Bibliography

Additional information

Status	Definitive
Pages	78
Publication Date	2021-06-14
ISBN	978 0 539 18026 8
Standard Number	BS EN ISO 6540:2021 – TC
Title	Tracked Changes. Maize. Determination of moisture content (on milled grains and on whole grains)
Descriptors	Dimensions, Food crops, Cereal products, Water content determination, Test equipment, Drying, Maize, Food testing, Agricultural products, Testing conditions, Moisture measurement, Specimen preparation, Cereal food products, Cereals, Food products
Publisher	BSI
Committee	AW/4
ICS Codes	67.060 - Cereals, pulses and derived products

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BS EN ISO 6540:2021 – TC

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