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| 草酸银中银的还原重量法测定 |
| Determination of silver content in silver oxalate by reduction gravimetric method |
| Received:October 15, 2020 |
| DOI： |
| 中文关键词: 重量法 水合肼还原 草酸银 银含量 |
| 英文关键词: gravimetric method reduction of hydrazine hydrate silver oxalate silver content |
| 基金项目: |
| Author Name | Affiliation | E-mail | | GUAN You-xiang* | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China
State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co.Ltd., Kunming 650106, China | 2432028977@qq.com | | LI Kun | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China
State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co.Ltd., Kunming 650106, China | | | LIU Li | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China | | | PENG Chun-sheng | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China | | | WANG Lin-na | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China | | | CAO Peng-bin | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China | | | YIN Yao-feng | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China | | | YUAN Yuan | Yongxing Sino-Platinum Metals Resources Co.Ltd., Chenzhou 423399, Hunan, China | |
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| 中文摘要: |
| 采用水合肼还原重量法测定草酸银中银含量，平行测定5次，测定的相对标准偏差小于0.04%，加标回收率99.96%~100.02%，干扰试验显示:0.1 mg的Zn2+、Co2+、Ni2+、Cu2+、Cd2+不干扰银的测定。该法与其他方法相对比，样品取样量大，操作简单，可满足生产现场测定的要求。 |
| 英文摘要: |
| The silver content in silver oxalate is determined by the hydrazine hydrate reduction gravimetric method, whose determination is performed 5 times in parallel. The relative standard deviation of the determination is less than 0.04%, and the recovery rate of standard addition is 99.96%~100.02%.The interference test showed that 0.1 mg of Zn2+, Co2+, Ni2+, Cu2+, Cd2+ did not interfere with the determination of silver. Compared with other methods, this method has a large sample size and simple operation, which can meet the requirements of production site measurement. |
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