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BS EN ISO 2171:2023

BS EN ISO 2171:2023

$102.76

Cereals, pulses and by-products. Determination of ash yield by incineration

Published By Publication Date Number of Pages
BSI 2023 22
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This document specifies a method for determining the ash yield by cereals, pulses and their milled products intended for human consumption. The source materials and products covered are: a)    grains of cereals; b)    flours and semolinas; c)     other milling products (bran and high bran content products, shorts); d)    mixed cereal flours (mixes); e)    cereal by-products other than c) (such as wheat gluten, maize grits, broken rice kernels); f)     pulses and their by-products (flour). This document does not apply to starches and starch derivatives (see ISO 3593), to products intended for animal feeding stuffs (see ISO 5984) or to seeds.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
5 Reagents
6 Apparatus
9 7 Sampling
8 Preparation of the test sample
9 Procedure
9.1 Incineration temperatures
9.2 Determination of the moisture content
10 9.3 Preparation of the ashing dishes
9.4 Preparation of the test portion
9.5 Pre-ashing
9.6 Ashing
11 9.7 Number of determinations
10 Expression of results
11 Precision
11.1 Interlaboratory tests
11.2 Repeatability, r
12 11.3 Reproducibility, R
11.4 Critical difference
11.4.1 Comparison of two groups of measurements in one laboratory
11.4.2 Comparison of two groups of measurements in two laboratories
11.5 Uncertainty, U
13 12 Test report
14 Annex A (informative) Results of interlaboratory tests
17 Annex B (informative) Practical application of repeatability and reproducibility limits
18 Bibliography

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BS EN ISO 2171:2023
$102.76