The method of standard addition is employed in the blank and the sample solutions with addition of releasing agents for determining trace amounts of calcium in steel.
采用混合释放剂，及空白与试液都以标准加入法测定、扣除空白值的方法测定钢中微量钙。
In addition, the new method is high repeatable and accurate, and is suitable for the measurement of large quantities of tobacco sample.
同时，该方法具有重复性好、准确度高、适合大批量烟草样品分析的特点。
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