Chem. J. Chinese Universities ›› 1983, Vol. 4 ›› Issue (4): 414.
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Huang Zhupo, Guo Fengyu, Chen Chaozong, Hou Pincheng
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Abstract: A method of chromatographic adsorption accompanied with complex compound formation was used for purifying alkali earth metal compounds from heavy metal impurities. This method provides a means to remove the following impurities to an extent of ppm level, such as Fe<0.4, Co<0.1, Cu<0.5, Ni<0.7, Pb<0.2, Zn<~0.4 ppm. This method enables purification to be accomplished with a higher efficiency and in a larger capacity than that of other methods.The efficiency of several complexing agents and the optimum processing conditions have been studied.
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Huang Zhupo, Guo Fengyu, Chen Chaozong, Hou Pincheng . PURIFICATION OF ALKALI EARTH METAL COMPOUNDS BY THE CHROMATOGRAPHIC ADSORP- TION ACCOMPANIED WITH COMPLEX-FORMATION[J]. Chem. J. Chinese Universities, 1983, 4(4): 414.
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http://www.cjcu.jlu.edu.cn/EN/Y1983/V4/I4/414