ISO 8672-1993 空气质量 用相差光学显微镜法测定空气无机纤维浓度 滤膜法
ISO 8672-1993 标准详情
- 标准号：ISO 8672-1993
- 中文标题：空气质量 用相差光学显微镜法测定空气无机纤维浓度 滤膜法
- 英文标题：Air quality; determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy; membrane filter method
- 标准类别：国际标准化组织标准ISO
- 发布日期：1993-02
内容简介
The principle of the method specified is collecting a sample by drawing a measured quantity of air through a membrane filter by means of a battery-powered sampling pump, transforming the filter from an opaque membrane into a homogeneous optically tra
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