The method can employ scheme of batch operation or continuous recycling, which is adapted for industry utilization.

该方法可采用分批式实施，也可采用连续式的回收方案，适用于工业应用。

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The results indicate that using this method to analyze one batch of samples only needs 2 h, the cost of dissolved reagent is low and toxicity small, and the operation is simple and fast too.

结果表明，采用该方法分析一批样品只需2 h，所用溶解试剂成本低、毒性小，且操作简单、快速。

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So the method has merits of wide liner range, low cost, little disturbance and easy work. It fits batch operation well.

此方法线性范围较宽，干扰小，操作简单，低成本，适合于大批量样品测量。

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