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Published on: August 5, 2016
[Study on density quality control of crude pyritum]
Hongbin Wang1, Jieming Xiao, Hao Cai
1Jiangsu Key Laboratory of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing 210029, China. hongbin116@yahoo.com.cn
Summary
Density is a reliable indicator for assessing crude pyritum quality, correlating with iron disulfide content. This simple method aids in effective quality control of this mineral resource.
Area of Science:
- Mineralogy
- Materials Science
Context:
- Crude pyritum quality assessment traditionally relies on subjective methods.
- Objective and quantifiable quality control measures are needed for industrial applications.
Purpose:
- To establish a reliable and efficient quality assessment method for crude pyritum.
- To validate density as a key indicator for crude pyritum quality.
Summary:
- Density was investigated as an evaluation index for crude pyritum quality.
- Density showed a strong positive correlation with iron disulfide (FeS2) content (r = 0.990) and a strong negative correlation with total ferrum content (r = -0.971).
- The established density-based testing method aligns with traditional quality appraisal and is simple and convenient.
Impact:
- Provides a feasible and straightforward method for crude pyritum quality control.
- Enhances the objectivity and efficiency of mineral resource assessment.
- Supports consistent quality in industrial applications utilizing pyritum.
