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
of an alternative, more vigorous dissolution procedure is necessary when it is desired to extract lead from compounds present in the test atmosphere that are insoluble using the dissolution procedures described herein. For example if it is desired to determine silicate lead, a hydrofluoric acid dissolution procedure is required.
1.4 The flame atomic absorption method is applicable to the determination of masses of approximately 1 to 200 g of lead per sample, without dilution (1). The graphite fu
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