Metal complexation by water-soluble organic substances may significantly influence the behavior of heavy metals in soil.
水溶解态有机物质与重金属离子的络合反应对土壤重金属化学行为的影响十分显著。
In some cases, if the salt solution of the metal ion content for simple ion, the coating, therefore, coarse grains to adopt complexation ion of plating solution.
有些情况下﹐若镀液中主盐的金属离子为简单离子时﹐则镀层晶粒粗大﹐因此﹐要采用络合离子的镀液。
Fulvic acid has good strong complexation ability to metal ions.
富啡酸与金属离子具有很强的络合能力。
Thus could be resulted from the complexation by which increases the electron density of the metal ion through partial sharing of its positive charge with donor groups.
主要原因可能是形成配合物后电子由配体流向配位的中心阳离子,增加了电子的转移能力。
The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.
借助于可见光谱的测定,考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。
From early 1980s domestic studies on the interaction of metal ions with humic acids, including Cu, Zn and Hg become jnore and more active with emphasis on the complexation constant.
国内从80年代初开始对腐殖酸与金属相互作用的研究日趋增多,涉及的元素包括铜、锌、汞等,主要偏重于对络合常数的测定。
Nylon 6/Polyethylene oxide (PEO) polyelectrolyte composites with different molar ratio of alkali metal ion and PEO polymer unit were prepared by means of complexation reaction.
通过碱金属离子与聚氧化乙烯(PEO)的络合配位制备了不同比例的PEO聚电解质,将PEO聚电解质与尼龙6熔融共混挤出,制备抗静电尼龙6复合材料;
This article reviews the synthesis of hydroxamic acid, and its new applications in the fields of catalytic oxidation as well as highly selective complexation with metal ions.
综述了异羟肟酸类化合物的合成及其近年来在催化氧化和高选择性络合金属离子的应用研究新进展。
The main reason is the binding sites on the humic acid and metal ions' competition for them. However, along with ionic strength increasing, the complexation capacity was decreased.
溶液中铜离子浓度及腐殖酸浓度的增加会使络合率呈现上升的趋势,这主要与腐殖酸溶液提供的络合点位及金属离子对络合点位的竞争有关。
The main reason is the binding sites on the humic acid and metal ions' competition for them. However, along with ionic strength increasing, the complexation capacity was decreased.
溶液中铜离子浓度及腐殖酸浓度的增加会使络合率呈现上升的趋势,这主要与腐殖酸溶液提供的络合点位及金属离子对络合点位的竞争有关。
应用推荐