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BSI PD CEN/TS 16010:2020

BSI PD CEN/TS 16010:2020

$142.49

Plastics. Recycled plastics. Sampling procedures for testing plastics waste and recyclates

Published By Publication Date Number of Pages
BSI 2020 24
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This document specifies a system for sampling procedures for testing plastics waste and recyclates which take into account the specifics of the plastics waste and recyclates. It is intended to cover all stages of the plastic recycling process.

The sampling procedures include the statistical specifics of the plastic waste and the behaviour of recyclates.

The sampling method is expected to produce a representative testing sample. Differences can arise due to:

  1. the mixture of plastics;

  2. the origin (e.g. green dot in Germany, or electronic/automotive industry);

  3. the previous use of the plastic material;

  4. the residual contents (e.g. of containers);

  5. inert, residual or moisture content on or in the material.

This document is without prejudice to any existing legislation.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
9 4 Symbols and abbreviations
5 Calculating the probability that a given set of samples is representative
5.1 General
10 5.2 Power and sample size
5.3 Calculation of the variance of sampling
5.4 Determining the confidence in a sampling routine
12 6 Sampling from non homogeneous material streams
7 Procedures for the determination of material characteristics through sampling
7.1 General
13 7.2 Establishing a sampling scheme
14 7.3 Minimization of bias
15 Annex A (normative)Procedures for the determination of material characteristics through sampling
A.1 General
A.2 Independence of samples
A.3 Representative samples
A.4 Increments
A.4.1 General
A.4.2 Minimum increment mass in pneumatic systems or from falling streams
16 A.4.3 Minimum increment mass for manual sampling
A.5 Calculation of standard deviation, arithmetic mean and variance of sampling
A.5.1 General
A.5.2 Calculation of standard deviation
17 A.5.3 Calculation of arithmetic mean
A.5.4 Calculation of variance of sampling
A.5.5 Confidence interval for small sample numbers
A.6 Minimum number of increments
A.7 Minimum volume of increments
A.8 Sample mixing
18 Annex B (informative)Principal development of standard deviation ‘s’ as a function of number of samples ‘n’
20 Annex C (informative)Development of factor ‘t’ of the Student distribution for different levels of confidence

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BSI PD CEN/TS 16010:2020
$142.49