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ASTM D1971用火焰原子吸收法,石墨炉原子吸收法,等离子体发射光谱法或等离子体质谱法测定金属含量用水试样浸煮的标准规范
日期:2012-02-10 10:25
after applying these practices cannot necessarily be deemed as a measure of bioavailable or environmentally available elements.
These three practices may not give the same recovery when applied to the same sample, nor will they necessarily give the same results as achieved using other digestion techniques. An alternate digestion technique is Practice D4309.
1. Scope
1.1 Most atomic absorption and plasma emission spectroscopy, and plasma-mass spectrometric test methods require that the metals of

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