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  • BSI
    BS EN 17289-2:2020 Characterization of bulk materials. Determination of a size-weighted fine fraction and crystalline silica content - Calculation method
    Edition: 2021
    $313.97
    / user per year

Description of BS EN 17289-2:2020 2021

This document specifies the determination of the size-weighted fine fraction (SWFF) and the size-weighted fine fraction of crystalline silica (SWFFCS) in bulk materials by calculation. The document also specifies the assumptions and preconditions to be fulfilled for this method to be valid.

The purpose of this document is to allow users to evaluate bulk materials regarding their size-weighted fine fraction and crystalline silica content.

NOTE

For preparation of the sample and determination of crystalline silica by X-ray Powder Diffractometry (XRD) or Fourier Transform Infrared Spectroscopy (FT-IR), see EN 17289?1 .

The calculation method is applicable only after experiments have shown that the results are accurate and consistently equal or higher than the results from sedimentation, as specified in EN 17289?3, for that particular bulk material.

A specific method for the evaluation of the SWFF for diatomaceous earth bulk materials is given in Annex A. Due to the internal porosity of diatomaceous earth, the general instructions given in this document are adapted in order to take into account the material’s effective density.

This document is applicable for crystalline silica containing bulk materials which have been fully investigated and validated for the evaluation of the size-weighted fine fraction and crystalline silica.



Standard NumberBS EN 17289-2:2020
TitleCharacterization of bulk materials. Determination of a size-weighted fine fraction and crystalline silica content - Calculation method
StatusDefinitive
Publication Date2021-01-22
Identical National Standard OfEN 17289-2
DescriptorsCalculations (mathematics), Sedimentation, Crystalline state, Bulk materials, Minerals, Silica
ICS13.040.30 Workplace atmospheres
CommitteeEH/2/2
ISBN978 0 539 01623 9
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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