Optimizing Conditions of Oscillographic Polarography for Determining Tungsten and Molybdenum in Geochemical Exploration Samples by Using KOH to Melt the Samples
详细信息
- 责任者：He Zhenyun (Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products ; Ministry of Land and Resources ; Lanzhou 730050 ; China) ; Chai Ziyuan
- 刊名：Gansu Geology
- 出版年：2012
- 卷期：21(1)
- 关键词：化学分析 ; chemical analysis ; 样品制备 ; sample preparation
- 页码：p.81-85
- 图表：1 illus., 4 tables, 16 refs.
- 分类号：0900
- 出版序号：20130213
- issnNo：ISSN1004-4116
- isbnNo：CN 62-1191/P
摘要
This paper discussed the Oscilloscopic polarography for the determination of tungsten, molybdenum in geochemical exploration samples from the ore smelting method, system of acidity, test temperature, concentration of each reagent in base solution, reactive time of balance, the interference and elimination of coexisting substances, and provided the optimized conditions. Determination of sensitivity is greatly improved by this method, and the method has high efficiency, low cost, good repeatability, the measuring results are accurate and reliable.