ASTM D6357用感应耦合等离子体原子发射光谱法,感应耦合等离子体质谱法和石墨炉原子吸收光谱法测定煤,焦碳和煤利用过程中产生的燃烧残余物中痕量元素的试验方法
日期:2012-02-08 10:47
. These elements are commonly and collectively referred to as trace elements. These elements primarily occur as part of the mineral matter in coal. The potential release of certain trace elements from coal combustion sources has become an environmental concern.
The ash prepared in accordance with these provisional test methods quantitatively retains the elements listed in 1.1 and is representative of their concentrations in the coal or coke.
1. Scope
1.1 These test methods pertain to the determi
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