ASTM D6785用火焰或石墨炉原子吸收光谱法测定工作场所空气中铅含量的试验方法
日期:2012-02-08 11:01
ethods for the determination of the time-weighted average mass concentration of particulate lead and lead compounds in workplace air.
1.2 The method is applicable to personal sampling of the inhalable fraction of airborne particles, as defined in ISO 7708, and to static (area) sampling.
1.3 The sample dissolution procedure specifies hot plate or microwave digestion, or ultrasonic extraction (11.2). The sample dissolution procedure is not effective for all lead compounds (see Section 5). The use
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