Determination of Ruthenium in Ruthenium Nitrosyl Nitrate Solutionby Hydrogen Reduction Gravimetric Method
Received:December 17, 2020  Revised:December 23, 2020
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KeyWord:ruthenium nitrosyl nitrate; hydrogen reduction gravimetric method; ruthenium content
XU Mingming 贵研化学材料云南有限公司 贵研铂业股份有限公司
HAN Yuan 贵研化学材料云南有限公司 贵研铂业股份有限公司
HOU Wenming 贵研化学材料云南有限公司 贵研铂业股份有限公司
ZUO Chuan 贵研化学材料云南有限公司 贵研铂业股份有限公司
HU Jieqiong 昆明贵金属研究所
OUYANG Hong 贵研化学材料云南有限公司 贵研铂业股份有限公司
PENG Yuling 贵研化学材料云南有限公司 贵研铂业股份有限公司
Su Linlin 贵研化学材料云南有限公司 贵研铂业股份有限公司
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      Using hydrochloric acid pretreatment samples, after drying was purified by hydrogen reduction, the determination of ruthenium in ruthenium nitrosyl nitrate solution by hydrogen reduction gravimetric method was established. Under the optimized conditions, the ruthenium content of 5%~11% was determined. The results showed that the ranges were 0.11%,0.16% and the relative standard deviations(RSD, n=7)was 0.66%, 0.52%,respectively. Compared with other analysis methods, the accuracy and precision of this method are better.