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Standard
| GB/T 8208-2007 Determination of gallium in coal (English Version) |
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Detail of GB/T 8208-2007
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Introduction of GB/T 8208-2007
本标准规定了煤中镓的碱熔融—萃取分离—罗丹明Ｂ分光光度法和酸熔融—萃取分离—罗丹明B分光光度法的方法提要、试剂材料、仪器设备、试验步骤、结果表述和方法精密度等。
本标准适用于褐煤、烟煤和无烟煤，测量范围为(1~100)μg/g。
Contents of GB/T 8208-2007