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
(see Section 10).
1.7 Anions that form precipitates with lead may interfere, but this potential interference is overcome by the addition of the disodium salt of ethylenediamine tetraacetic acid (EDTA) when necessary.
1.8 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.9 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this stan
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