论文部分内容阅读
由于钙离子活度在人类实践中有着广泛和重要的意义,过去四十年来,研制测定钙离子活度的膜电极曾经有过各种尝试,只是最近十年,由于应用了一些新合成的有机化合物,钙离子电极的性能才有了明显的改善,用有机化合物制备的钙离子选择性电极包括二癸基磷酸钙混合物的二烷基磷酸钙,二-(n-辛基苯基)磷酸钙等有机化合物,以及羧酸型抗生素和N,N′-(11-ethoxy carbonyl)undecyl-N,N′,4,5-tetramethyl-3,6-dioxaoctan diacid diamide类型的中性载体化合物等。但对于长链烷基苯基磷酸的钙电极性质
Since the activity of calcium ions has a wide range of importance in human practice, there have been various attempts to develop membrane electrodes for determining the activity of calcium ions in the past four decades. Only in the recent decade has been the application of some newly synthesized organic Compounds, calcium ion electrode performance has been significantly improved, the use of organic compounds prepared calcium ion selective electrode comprises a combination of didecyl calcium dialkyl phosphate, di - (n-octylphenyl) calcium phosphate And other organic compounds, as well as carboxylic acid antibiotics and neutral carrier compounds of the type N, N ’- (11-ethoxycarbonyl) undecyl-N, N’, 4,5-tetramethyl-3,6-dioxaoctan diacid diamide. But for the calcium electrode properties of long-chain alkyl phenylphosphates