|
|
|
| Determination of calcium fluoride content in fluorite spheres by instrumental analysis |
| YU Hui,CAO Jianhu,GAO Weiwei,REN Xintao |
| Jingye Group Physical and Chemical Testing Center, Shijiazhuang 050400， China |
|
|
|
Abstract The content of calcium fluoride in fluorite sphere was determined by instrumental method to shorten the detection time and to improve the work efficiency. The standard samples of fluorite and limestone were used in the experiments. The total content of calcium and magnesium oxide was determined by Xray fluorescence spectrometry with fusion sample preparation. The content of total carbon was measured using carbonsulfur analyzer. The content of carbon in calcium carbonate could be obtained by subtracting the content of carbon in magnesium carbonate from the total carbon. Then the content of calcium fluoride could be converted. The accuracy of the method was good, and the relative standard deviation (RSD) was 0.35%. The proposed method had high accuracy. The measured values were basically consistent with those obtained by the chemical method, which could meet the needs of production.
|
|
Received: 04 July 2022
|
|
|
|
| [1] |
Yi-ming She, Jie-fu Lang, Di An, Chao-wei Si, Xu-dong Luo, Zhi-peng Xie, Jie-gang You. Sintering kinetics involving grain growth and densification of Mg-PSZ nanopowders[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(7): 1138-1144. |
| [2] |
KONG Xiangwei,HOU Meiling,BAI Yun,LIN Zaiyong,ZHANG Xin. Discussion about slow strain rate test mechanical behavior of grade 10.9 high strength fastener steel[J]. PHYSICS EXAMINATION AND TESTING, 2022, 40(6): 7-. |
| [3] |
CAO Lei, GUO Feng, JI Wenjie. Analysis and improvement of drawing fracture of ER70S-6 welding wire steel[J]. PHYSICS EXAMINATION AND TESTING, 2022, 40(6): 46-. |
| [4] |
张小刚，俞东宝，汤慧，申俊华，葛腾. Study on activation properties of depleted uranium materials by high energy X ray[J]. PHYSICS EXAMINATION AND TESTING, 2022, 40(6): 57-. |
| [5] |
SHAN Xianfei,LEI Na,SHEN Jie. Analysis of influencing factors in hole expansion test of automobile plates by acid pickling[J]. PHYSICS EXAMINATION AND TESTING, 2022, 40(5): 22-. |
| [6] |
DING Kai1,2， DONG Wufeng1,2， WANG Li3,4， PAN Hua3,4， LEI Ming3,4， GAO Yulai1,2 . Progress and challenge of liquid metal embrittlement in galvanized advanced high strength steel
[J]. JOURNAL OF IRON AND STEEL RESEARCH , 2022, 34(5): 399-410. |
|
|
|
|
2022, Vol. 40 
