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1. Zhang Gang. Summary of Potassium Nitrate Productive Technology and Unit in China // Chemical Fertilizer Industry (2011)-02
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-KDHL201102003.htm
2. LI Ya-fu, LIU Su-qin. Summarization of Potassium Nitrate Production Process // Sea-lake Salt and Chemical Industry (2005)-03
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-HHYH200503010.htm
3. ZHANG Li, ZHOU Fang, ZHOU Shi xian. Technical Conditions for Preparation of Potassium Nitrate from Nitric Acid and Potassium Chloride // Journal of Shenyang Institute of Chemical Technolgy (2002)-02
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-SYHY200202007.htm
4. Zhang Hongtao, Zou Hui, Mao Xiuju, Shen Zhongyi, Xu Ling. Study on Cosynthesis of Potassium Nitrate and Nitrogen-potassium Compound Fertilizer by the Extraction Method // SHENYANG CHEMICAL INDUSTRY (1996)-02
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-SYHH602.000.htm
5. Wang Guiyun et al. THE PREPARATION OF AGRICULTURE GRADE POTASSIUM NITRATE BY SOLVENT EXTRACTION PROCESS // INORGANIC CHEMICALS INDUSTRY (1998)-03
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-WJYG803.004.htm
6. WANG Yan-yu, FAN Xiu-shan, WANG Hao-bin, LI Di-ping. Study on the production method of optimal use of potassium nitrate mother liquor // Phosphate & Compound Fertilizer (2010)-02
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-LFYF201002008.htm
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