高等学校化学学报 ›› 1990, Vol. 11 ›› Issue (3): 240.
• 研究论文 • 上一篇 下一篇
邹时复, 曹伟, 温世祺
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国家自然科学基金
Zou Shifu, Cao Wei, Wen Shiqi
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摘要: 提出等色点摩尔比法测定单核与多核共存体系配合物的组成和稳定常数。方法用于铟-二甲酚橙体系,测得体系中存在的两配合物的组成比In/XO分別为1:1(λmax=510nm)和2:1(λmax=560nm),其稳定常数分别为K1=8.83×108,K2=1.44×107。
关键词: 配合物组成, 配合物稳定常数, 铟-二甲酚橙配合物
Abstract: Isobestic point spectrophotometric method is proposed to determine the compositions and stability constants of complexes in a coexistent system of mononuclear and polynuclear complexes. This method has been used in a indium-xylenol orange system, the compositions of the two complexes obtained are 1:1 (In:XO,λmax=510 nm) and 2:1(λmax=560 nm), and the stability constants are K1 = 8. 83×108 and K2=1. 44×107, respectively.
Key words: Complex composition, Complex stability constant, Indium-xylenol orange complex
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邹时复, 曹伟, 温世祺. 光度法单核与多核共存体系配合物组成及稳定常数的测定. 高等学校化学学报, 1990, 11(3): 240.
Zou Shifu, Cao Wei, Wen Shiqi . Spectrophotometric Determination of Compositions and Stability Constants of Coordination Compounds in Mononuclear and Polynuclear Coexistent Systems. Chem. J. Chinese Universities, 1990, 11(3): 240.
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