| 二硫代二正辛基磷酸钙的PVC膜电极的研制和应用 |
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| 引用本文： | 安镜如 陈愉. 二硫代二正辛基磷酸钙的PVC膜电极的研制和应用[J]. 分析化学, 1990, 18(8): 749-752 |
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| 作者姓名： | 安镜如 陈愉 |
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| 作者单位： | 福州大学化学系，福州大学化学系 福州，350002，福州，350002 |
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| 摘 要： |
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| 关 键 词： | 钙 离子选择电极 人血清 |
A study and Application of the PVC Matrix Membrane Calcium-Selective Electrode Based on Di-n-Octyl Dithiophosphoric Acid |
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| An Jingru Chen Yu. A study and Application of the PVC Matrix Membrane Calcium-Selective Electrode Based on Di-n-Octyl Dithiophosphoric Acid[J]. Chinese Journal of Analytical Chemistry, 1990, 18(8): 749-752 |
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| Authors: | An Jingru Chen Yu |
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| Affiliation: | An Jingru~* Chen Yu |
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| Abstract: | The calcium-selective electrode of PVC tubular, coated-platium wire or coated-carbon fiber based on di-n-octyl dithiophosphoric acid was prepared. Di-n-octyl dithiophosphoric acid was obtained by the reaction of n-octanol with phosphorous pentasulfide. The calcium-selective electrode based on di-n-octyl dithiophosphate was better in low detection limit, wide pH range and good selectivity towards Ca~(2+)over Na~+, K~+, Mg~(2+)than one based on di-nalkyl phosphate. The result of the electrode measured total calcium in serum was coincided with EDTA volumetric analysis method. |
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| Keywords: | Calcium-selective electrode PVC membrane Di-n-octyl dithiophosphoric acid Serum |
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