化學(xué)振蕩物間接擾動(dòng)法測(cè)定磷酸單酯類化合物.pdf

1、安徽大學(xué)碩士學(xué)位論文化學(xué)振蕩物間接擾動(dòng)法測(cè)定磷酸單酯類化合物姓名：劉海燕申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：分析化學(xué)指導(dǎo)教師：胡剛2010-04ABSTRACT IIAbstract The special behaviors of oscillating chemical reaction have attracted great interest of some chemists, physicists biologists, and medi

2、cal scientists. Chemical oscillation reactions have been applied in analytical chemistry and life system in recent years. But the applications are all based on the direct perturbation effect of the analyte on the oscilla

3、ting system. A new method for quantitative analytical determination by Analyte Indirect Perturbation (AIP) on an oscillating system is proposed in this paper for the first time. The analytes 2-phospho-L-ascorbic acid tri

4、sodium salt and Disodium phenyl phosphate dihydrate could not cause perturbation effects on the oscillating reaction, but they can be hydrolyzed to ascorbic acid and phenyl in certain conditions, and ascorbic acid and ph

5、enyl cause the perturbation on the oscillating reaction. So we can accomplish the indirect determination of the analytes. The catalyst tetraazamacrocyclic complex [CuL](ClO4)2 was synthesized according to literature an

6、d was identified by I.R. spectrum and elemental analyses.Then a stable oscillating system involves [CuL](ClO4)2), sulfuric acid, sodium bromate and malic acid was established. The 2-phospho-L-ascorbic acid trisodium salt

7、 was hydrolyzed into ascorbic acid catalyzed by alkaline phosphatase. Then different volumes of the mixture solution involves ascorbic acid were injected to the oscillating system, and the amplitude increased shaply and

8、then came back the normal state. The result shows that the changes of the amplitude (△A) were linearly proportional to the logarithm of the PATS concentration over the range of 1.0 × 10-5 to 5.0 × 10-4 M. We al

9、so studied the effect of some potential interference from foreign species and the possible mechanism. The stable system was established firstly. Then the analyte phenyl phosphate was hydrolyzed into phenol which cause pe