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通过一次称量、溶样,采用分光光度法分别测定了普碳钢及低合金钢中硅、锰、磷的含量。实验表明,该方法操作简便、快速、准确度高,重现性好。
The contents of silicon, manganese and phosphorus in plain carbon steel and low-alloy steel were determined by spectrophotometry through weighing and dissolving. Experiments show that the method is simple, fast, accurate and reproducible.