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논문 기본 정보

자료유형
학술저널
저자정보
Hu Sik Kim (Andong National University) Seok Hee Lee (Busan National University of Education) Kyun Hye Park (HanKuk Academy of Foreign Studies) Yong Hyun Park (HanKuk Academy of Foreign Studies) Jun Woo Park (HanKuk Academy of Foreign Studies) Ji Hyun Hwang (HanKuk Academy of Foreign Studies) Jong Sam Park (Daegu Health College) Sik Young Choi (Andong National University) Woo Taik Lim (Andong National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제48권 제3호
발행연도
2015.6
수록면
180 - 188 (9page)

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초록· 키워드

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To investigate the tendency of Li<SUP>+</SUP> exchange from polar organic solvents, Li<SUP>+</SUP> -ion exchange into zeolite Y (Si/Al = 1.56) was attempted by undried methanol (crystal 1) and formamide (crystal 2) solvent. Two single crystals of Na-Y were treated with 0.1 M LiNO3 in each of the two solvents at 323 K, followed by vacuum dehydration at 723 K. Their structures were determined by single-crystal synchrotron X-ray diffraction techniques in the cubic space group Fd3m, at 100(1) K. In both structures, Li<SUP>+</SUP> for Na<SUP>+</SUP> ions filled preferentially sites I’ and II. The remaining Na+ ions occupied sites I’, II, and III’ in both structures, in additional to above sites, and Na<SUP>+</SUP> ions occupied site I in crystal 2. While the 68 % exchange of Li<SUP>+</SUP> for Na<SUP>+</SUP> was achieved from undried methanol, only 40 % exchange was observed from undried formamide, indicating that the undried methanol was more effective than undried formamide as solvent for Li<SUP>+</SUP> exchange under the conditions employed.

목차

Introduction
Materials and Methods
Results and Discussion
References

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UCI(KEPA) : I410-ECN-0101-2016-521-001633473