Optimization of Sulfur Determination in Vanadium-Titanium Magnetite Ore in the Panxi Area

WANG Yong; LI Zijing; LIU Lin; LI Guowei

doi:10.15898/j.ykcs.202306270081

2024 Vol. 43, No. 3

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Article navigation > Rock and Mineral Analysis > 2024 > 43(3): 524-532

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WANG Yong, LI Zijing, LIU Lin, LI Guowei. Optimization of Sulfur Determination in Vanadium-Titanium Magnetite Ore in the Panxi Area[J]. Rock and Mineral Analysis, 2024, 43(3): 524-532. doi: 10.15898/j.ykcs.202306270081

Citation:

WANG Yong, LI Zijing, LIU Lin, LI Guowei. Optimization of Sulfur Determination in Vanadium-Titanium Magnetite Ore in the Panxi Area[J]. Rock and Mineral Analysis, 2024, 43(3): 524-532. doi: 10.15898/j.ykcs.202306270081

Optimization of Sulfur Determination in Vanadium-Titanium Magnetite Ore in the Panxi Area

1.
Panxi Institute of Vanadium and Titanium Inspection and Testing, National Quality Supervision and Inspection Center of Vanadium and Titanium Products, Panzhihua 617000, China

More Information

Corresponding author: LIU Lin, 1457254358@qq.com

Received Date: 27 October 2023

Revised Date: 16 January 2024

Accepted Date: 10 May 2024

Publish Date: 31 May 2024

Abstract

Abstract

Sulfur is an important quality and environmental indicator in vanadium-titanium magnetite ore, so the accurate measurement of sulfur is of great significance for subsequent process control and pollution evaluation. There are some problems such as integration delay and poor precision in low sulfur when measuring sulfur in vanadium-titanium magnetite ore with the high-frequency combustion infrared absorption method. To solve the problems, scanning electron microscope (SEM) and infrared absorption carbon-sulfur analyzer with programmed heating function were used, and the analysis conditions such as power, flux and addition sequence, and sample mass were optimized. The optimized experimental conditions were as follows: analysis power of 95%, iron particle flux of 0.30g, copper particle flux of 0.20g, and tungsten particle flux of 1.0g, sample mass of 0.30g. The order of addition is iron-copper-sample-tungsten. The optimized method was used to measure sulfur content, and the results of sulfur in the standard sample were within the allowable error, with satisfactory accuracy. The relative standard deviation (RSD) in samples was 0.40%−0.67%, with satisfactory precision. The range of the method was 0.0004%−1.52%, and the detection limit was 0.0004%.
- Panxi area /
- vanadium-titanium magnetite ore /
- sulfur /
- high-frequency combustion infrared absorption method /
- method optimization

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References

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