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
rnace atomic absorption method is applicable to the determination of masses of approximately 0.01 to 0.5 g of lead per sample, without dilution (1).
1.5 The ultrasonic extraction procedure has been validated for the determination of masses of approximately 20 to 100 g of lead per sample, for laboratory-generated lead fume air filter samples (2).
1.6 The concentration range for lead in air for which this procedure is applicable is determined in part by the sampling procedure selected by the user
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09/09 17:19