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采用微波消解-硼酸络合-分光光度法测定硅酸盐中的铁(Ⅱ),并研究了样品的消解条件。此方法用于实际样品的测定,7次测定的相对偏差(RSD)小于5%,加标回收率为96.0%～103.3%。
Iron (Ⅱ) in silicate was determined by microwave digestion - boric acid complexation - spectrophotometry. The digestion conditions of the sample were also studied. The method was applied to the determination of real samples. The relative deviations (RSDs) of seven determinations were less than 5% and the recoveries were 96.0% ~ 103.3%.