DIN EN 17289-2:2021-02
Characterization of bulk materials - Determination of a size-weighted fine fraction and crystalline silica content - Part 2: Calculation method; German version EN 17289-2:2020
| Fecha edición: |
2021-02-01
En Vigor
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| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | The purpose of this document is to allow users to determine the fine fraction with the calculation method. It also describes the assumptions and preconditions to be met in order for this method to be valid. This 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 described in Part 3, for that particular bulk material. For preparation of the sample and determination of crystalline silica by XRD and FTIR the users can refer to Part 1. An informative annex describes a specific method for the evaluation of the FF recommended for diatomaceous earth bulk materials. This document is applicable for bulk materials that contain particles in the size range from 0,1 micrometer to 125 micrometer satisfying with the criteria given in this part and Part 3. |
| Keywords: | Andalusite|Barytes|Bulk density|Bulk materials|Characterisations|Chromites|Clay|Cristobalite|Crystalline|Determination|Diatomaceous earth|Dust|Dust concentration|Dust contents|Dust measurement|Feldspars|Fine|Fractions|Investigations|Iron ores|Kaolin|Materials testing|Mathematical calculations|Methods|Mica|Occupational safety|Quartz|Quartz powder|Quartz sand|Silicon|Silicon dust|Size|Talc|Validation|Vermiculite|Weights|Working places |
| ICS: | 13.040.30 - Aire en los lugares de trabajo |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN 17289-2:2020 |
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Reemplazo Normas |
Reemplaza a DIN EN 17289-2:2019-03 |
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