ISO/DIS 6868 refers to a Draft International Standard focused on workplace air quality and the determination of quartz and cristobalite in bulk materials using X-ray powder diffraction. "ISO" stands for International Organization for Standardization. "DIS" indicates a draft international standard, meaning it's a stage in the development of an ISO standard where it's open for review and feedback before becoming a finalized standard. The standard is designed to provide a method for quantitatively measuring these minerals, which are relevant to occupational health and safety.
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