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本文提出测定铁钼辅基模拟物中无机硫含量的测定方法。样品用溴处理使无机硫定量氧化为硫酸根,后加铬酸钡使析出等当量铬酸根,用分光光度法测定。分析方法简易快速,精密度和准确度均优。
This paper presents a method for the determination of inorganic sulfur in iron-molybdenum prosthetic mimetics. The samples were treated with bromine to quantitatively oxidize inorganic sulfur to sulfate, followed by the addition of barium chromate to precipitate equivalent chromate, as determined by spectrophotometry. The analysis method is simple and fast, the precision and accuracy are excellent.