文档编号:CL044 文档字数:7590,页数:24 摘要:本文研究了不同pH值、温度、离子强度、缓冲溶液组成等因素对甘氨酸亚铁螯合物稳定性的影响,用等摩尔连续变化法,测定了配合物的组成及稳定常数。结果表明在甘氨酸亚铁螯合的最适合条件为pH=5,T=60℃,离子强度I=0.15M,缓冲体系为磷酸盐体系,最佳组成比为4:1,稳定常数为 关键词:甘氨酸亚铁,稳定性,等摩尔连续变化法 Abstract:This article on the use of different pH, temperature, ionic strength, buffer composition and other factors on the stability of the glycine Iron chelate impact, with Method of continuous variations , a complex of the composition and stability constant . The results showed that iron chelating glycine in the most suitable conditions for pH = 5, T = 60 ℃, ionic strength I = 0.15M , phosphate buffer system for the system,the best ratio of 4:1,stability Constant 68.00 ± 5.00mol-1 •L. Keyword:Glycine ferrous, stability, Method of continuous variations 目 录 3.1.3甘氨酸溶液在碱酸往返滴定过程的稳定性研究……………………………8
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Tags:甘氨酸 稳定性 研究 | 2011-04-03 09:30:58【返回顶部】 |