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BS EN ISO 16624:2020

BS EN ISO 16624:2020

$102.76

Wheat flour and durum wheat semolina. Determination of colour by diffuse reflectance colorimetry

Published By Publication Date Number of Pages
BSI 2020 20
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This document specifies a method for the determination of colour in durum wheat semolina and wheat flour by diffuse reflectance colorimetry.

It is applicable to industrial semolina and flour.

The method can be applicable to flour obtained from experimental mill.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Apparatus
5.2 Accessory samples-driver and cell for the measurement of granular materials.
5.3 Reference plate in porcelain for the initial setting of the colorimeter.
6 Sample preparation
7 Procedure
7.1 General
9 7.2 Setting of the colorimeter
7.3 Colorimetric determination
8 Expression of the results
9 Precision
9.1 General
9.2 Repeatability limit, r
9.3 Reproducibility limit, R
10 9.4 Critical difference, dC
9.4.1 General
9.4.2 Comparison of two groups of measurements in one laboratory
9.4.3 Comparison of two groups of measurements in two laboratories
9.5 Uncertainty, U
11 10 Test report
12 Annex A (informative) Results of the interlaboratory test
18 Bibliography

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BS EN ISO 16624:2020
$102.76