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《Journal of Analytical Science》 1993-03
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Spectrophotometric Determinetion of Iridium with Iridium—Sncl_2—Ethyl Violet in the Presence of PG-20000

Lu Yaozhong Li Xinmin Guo juefan Zhang desheng Li Hui Lu ZhaoXihg Zhou huiwen(Department of Chemistry,Shanxi University)  
A Highly Sensitive Spectrophotometry for the determination of Iridium has been developed. Beer's law is obeyed in the range of 0-1.0 and 1.0~2.5μg Ir/25mL, The colour sotution is stable in the 110min at room temperature. Iridium forms association Complex with Sncl_2 and Ethyl Violet in abuffer solution of pH3.8 HCOOH—NaCOOH and presence of PG—20000. The molar absorptivity is 2.3×10~6L·mol~-1·cm~-1at 642nm. The relative standard deviation is 3.4%.
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【References】
Chinese Journal Full-text Database 3 Hits
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1 Lu Jubo and Wang Jianhua(Chemistry Department of Yantai Normal College, Yantai 264025);A Novel Catalytic Spectrophotometric Method for Determining Silver ──Safranin T-Iodide Indicator Reaction[J];RARE METAL MATERIALS AND ENGINEERING;1996-02
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10 Wu Shaozu . Fang Wenhuan (Department of Chemistry, Huaqiao University, Quanzhou 362011);Studies on Highly Sensitive Colour Reaction of the Complex in the System of Bromogoldic Acid-Rhodamine B and Chlorogoldic Acid-Rhodamine 6G——Centrifugation-Spectrophotometric Determination of Gold[J];Chinese Journal of Analytical Chemistry;1993-02
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1 Yang Yan(Yunnan Fuel Company,Kunming,Yunnan 650031,China) Gao Yun-Tao,Liu Man-Hong,Huang Wei-Qing (Departement of Chemistry,Yunnan Nationalities Universty,Kunming,Yunnan 650031,China);Separation of Platinum from Ammonium Sulphate-Stannous Chloride-Malachite Green Flotation System[J];Precious Metals;2003-02
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