... atomic impurity 原子型杂质 insoluble impurity 不溶性杂质 ; 不溶性物质 trace impurity 痕量杂质 ...
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trace impurity yttrium 痕量杂质钇
detection of trace impurity 痕量检测
trace of impurity 痕量杂质
trace gas impurity analysis 痕量气体杂质分析
The trace impurity in product has been determined by A A S. it is important to improve process.
还用原子吸收光谱法测定了产品中微量杂质的含量，对改进生产工艺具有指导作用。
A ICP-MS method for the determination of 5 trace impurity elements of copper, titanium, zinc, manganese and cobalt in aluminum has been developed in this paper.
用标准加入法以电感耦合等离子体质谱测定金属中铝、铜、钛、锌、锰、钴，建立了一种简便、快速测定金属铝中杂质元素的分析方法。
Determining trace impurity element of the standard europium oxide by the standard addition method. So the errors owing to neglecting the impurity in the standard are eliminated.
用标准加入法测出氧化铕基准中的微量杂质元素，消除了由于忽略基准中的杂质元素的含量给分析测定带来的误差。
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