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
nd
Elevated Pressure
8 through 13
Practice BDigestion with Mineral Acids and
Heating at Atmospheric Pressure
14 through 19
Practice CIn-bottle digestion with Mineral Acids
20 through 25
1.2 These practices have been demon
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09/09 04:47