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sklademVydáno: 2019-10-23
BS ISO 10312:2019
Ambient air. Determination of asbestos fibres. Direct transfer transmission electron microscopy method
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| Označení normy: | BS ISO 10312:2019 |
| Počet stran: | 80 |
| Vydáno: | 2019-10-23 |
| ISBN: | 978 0 539 00274 4 |
| Status: | Standard |
DESCRIPTION
BS ISO 10312:2019
This standard BS ISO 10312:2019 Ambient air. Determination of asbestos fibres. Direct transfer transmission electron microscopy method is classified in these ICS categories:
- 13.040.20 Ambient atmospheres
This document specifies a reference method using transmission electron microscopy for the determination of airborne asbestos fibres and structures in in a wide range of ambient air situations, including the interior atmospheres of buildings, and for a detailed evaluation for asbestos structures in any atmosphere. The method allows determination of the type(s) of asbestos fibres present and also includes measurement of the lengths, widths and aspect ratios of the asbestos structures. The method cannot discriminate between individual fibres of asbestos and elongate fragments (cleavage fragments and acicular particles) from non-asbestos analogues of the same amphibole mineral[ 13].