A method of spectrophotometric determination of micro amounts of platinum with MPT was proposed.Beers law is obeyed in the range of 0～3.7mg·L1Pt（Ⅳ）,an apparent molar absorptivity of ε682.0=5.46×104L...A method of spectrophotometric determination of micro amounts of platinum with MPT was proposed.Beers law is obeyed in the range of 0～3.7mg·L1Pt（Ⅳ）,an apparent molar absorptivity of ε682.0=5.46×104L·mol-1·cm-1.The method has been applied to the determination of platinum in minerals and catalysts with satisfactory results.展开更多
文摘A method of spectrophotometric determination of micro amounts of platinum with MPT was proposed.Beers law is obeyed in the range of 0～3.7mg·L1Pt（Ⅳ）,an apparent molar absorptivity of ε682.0=5.46×104L·mol-1·cm-1.The method has been applied to the determination of platinum in minerals and catalysts with satisfactory results.
