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BS EN 15948:2020

BS EN 15948:2020

$102.76

Cereals. Determination of moisture and protein. Method using Near-Infrared Spectroscopy in whole kernels

Published By Publication Date Number of Pages
BSI 2020 18
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This document defines a routine method for the determination of moisture and protein contents in whole kernels of wheat and barley using near infrared spectroscopy in the constituent ranges:

  1. for wheat:

    1. moisture content minimum range from 8 % to 22 %;

    2. protein content minimum range from 7 %DM to 20 %DM.

  2. for barley:

    1. moisture content minimum range from 8 % to 22 %;

    2. protein content minimum range from 7 %DM to 16 %DM.

This document describes the modalities to be implemented by the supplier (5.3 and 5.4) and the user of the method.

PDF Catalog

PDF Pages PDF Title
2 National foreword
5 European foreword
6 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Method of analysis
5.1 General
5.2 Near Infrared Instrument
7 5.3 Prediction models
5.4 Initial validation of the model
5.4.1 General
5.4.2 Initial validation sample set
8 5.4.3 Initial validation performances
5.5 Update of calibration and validation of new model
6 Sampling
7 Procedure
7.1 Preparation of the test sample
7.2 Measurement
7.3 Local validation of the method
9 7.4 Periodical adjustment of the instrument
7.5 Checking instrument stability
7.6 Follow up of method performance
8 Calculation and expression of results
10 9 Accuracy and precision of the method
9.1 Accuracy
9.2 Precision
9.2.1 General
9.2.2 Repeatability
11 9.2.3 Reproducibility
9.2.4 Critical difference
12 9.2.5 Application tables
14 9.2.6 Practical use of precision
15 9.3 Uncertainty
10 Test report
16 Bibliography

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BS EN 15948:2020
$102.76