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BS ISO 4874:2020

BS ISO 4874:2020

$102.76

Tobacco. Sampling of batches of raw material. General principles

Published By Publication Date Number of Pages
BSI 2020 16
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This document specifies the general principles to be applied when sampling batches of raw tobacco in order to assess either

  • the mean value of one or more of its characteristics, or

  • the heterogeneity of one or more of its characteristics.

Manufactured tobacco products, including products intended for sale or distribution, are specifically not included in the scope of this document.

This document is applicable to the sampling of batches of raw tobacco of the following types:

  1. leaf tobacco:

    1. flue cured;

    2. air cured;

    3. sun cured;

    4. fire cured;

  2. pretreated raw tobacco:

    1. which has undergone fermentation (in packages not intended for retail or wholesale sales or distribution, in bulk, in chambers);

    2. which has been partially or completely stemmed;

    3. which is in the form of stems;

    4. which is in the form of waste and remnants;

    5. which has been reconstituted in the form of strips.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
9 4 Contractual arrangements
5 Sampling
5.1 General
5.2 Sampling equipment
5.3 Containers for samples and storage precautions
6 Procedure
6.1 General
10 6.2 Treatment of damaged sampling units
6.3 Selection of sampling units
6.3.1 General
6.3.2 Selecting the sampling units at random
11 6.3.3 Selecting the sampling units by periodic systematic sampling
6.4 Extraction of increments and constitution of single samples
6.4.1 Composition
6.4.2 Number of increments
6.4.3 Size of single samples
6.4.4 Tobacco in bulk
12 7 Sampling report
13 Annex A (informative) Example of sampling
14 Bibliography

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BS ISO 4874:2020
$102.76