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The purpose of this document is to allow users to evaluate bulk materials with regard to the
amount of fine fraction of potentially hazardous substances, especially crystalline silica. This Part
1 describes the requirements and choice of test method. It provides the user with guidance on
how to select the method as well as the preparation of the sample and determination of
crystalline silica by XRD and FTIR.
This document is applicable for bulk materials that contain particles in the size range from 0,1
μm to 125 μm satisfying with the criteria given in Part 2 and Part 3 of this document series. The
current industrial minerals within the scope of this method are: quartz, clay, kaolin, talc, feldspar,
mica, cristobalite, vermiculite, diatomaceous earth, barite and andalusite. The method may be
applicable to other bulk materials, following full investigation and validation.
Reģistrācijas numurs (WIID)
66732
Darbības sfēra
The purpose of this document is to allow users to evaluate bulk materials with regard to the
amount of fine fraction of potentially hazardous substances, especially crystalline silica. This Part
1 describes the requirements and choice of test method. It provides the user with guidance on
how to select the method as well as the preparation of the sample and determination of
crystalline silica by XRD and FTIR.
This document is applicable for bulk materials that contain particles in the size range from 0,1
μm to 125 μm satisfying with the criteria given in Part 2 and Part 3 of this document series. The
current industrial minerals within the scope of this method are: quartz, clay, kaolin, talc, feldspar,
mica, cristobalite, vermiculite, diatomaceous earth, barite and andalusite. The method may be
applicable to other bulk materials, following full investigation and validation.
