A kind of pt(iv)-5-cn-padat complex compound/modified electrode/electrochemical sensor and its application
A technology of -5-CN-PADAT and modified electrodes, which is applied in the field of electrochemistry, can solve the problems of high toxicity and refractory degradation, and achieve the effects of large specific surface area, prevention of agglomeration, and multiple catalytic active sites
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Embodiment 1
[0030] Embodiment 1: Pt(IV)-5-CN-PADAT complex
[0031] (1) Preparation of basic solution, platinum standard solution: 5×10 -3 mol / L, accurately weigh 0.2400 g of potassium chloroplatinate in a 25 mL beaker, dissolve in water, transfer to a 100 mL volumetric flask, dilute to the mark with water, and shake well; HAc-NaAc buffer solution: 0.25 mol / L of HAc -NaAc buffer solution was adjusted to pH=4.60 on the pH meter; ethanol solution of 5-CN-PADAT: 1.0×10 -2 mol / L;
[0032] (2) Preparation of 5-CN-PADAT complex, first add 1 mL of 5×10 -3 mol / L platinum standard solution, then add 2.0 mL pH=4.60 HAc-NaAc buffer solution and 2 mL 1.0×10 -2 mol / L ethanol solution of 5-CN-PADAT, heated in a boiling water bath for 18 min, cooled to room temperature under running water, made to volume with water, and shaken to obtain 5×10 -4 mol / L Pt(IV)-5-CN-PADAT complex.
Embodiment 2
[0033] Embodiment 2: Pt(IV)-5-CN-PADAT complex
[0034] (1) Preparation of basic solution, platinum standard solution: 5×10 -2 mol / L, accurately weigh 2.4000 g of potassium chloroplatinate in a 25mL beaker, dissolve in water, transfer to a 100 mL volumetric flask, dilute to the mark with water, and shake well; HAc-NaAc buffer solution: 0.20 mol / L of HAc- NaAc buffer solution was adjusted to pH=3.6 on the pH meter; ethanol solution of 5-CN-PADAT: 1.0×10 -3 mol / L;
[0035] (2) Preparation of Pt(IV)-5-CN-PADAT complex: Add 1 mL of 5×10 -2 mol / L platinum standard solution, then add 2.0 mL pH=3.6 HAc-NaAc buffer solution and 2 mL 1.0×10 -3 mol / L ethanol solution of 5-CN-PADAT, heated in a boiling water bath for 45 min, cooled to room temperature under running water, made to volume with water, and shaken to obtain 5.0×10 -3 mol / L Pt(IV)-5-CN-PADAT complex.
Embodiment 3
[0036] Embodiment 3: Pt(IV)-5-CN-PADAT complex
[0037] (1) Preparation of basic solution, platinum standard solution: 5×10 -2 mol / L, accurately weigh 2.4000g of potassium chloroplatinate in a 25mL beaker, dissolve it in water, transfer it to a 100 mL volumetric flask, dilute to the mark with water, and shake well; HAc-NaAc buffer solution: 0.23 mol / L of HAc- NaAc buffer solution was adjusted to pH=4.0 on the pH meter; ethanol solution of 5-CN-PADAT: 1.0×10 -2 mol / L;
[0038] (2) Preparation of Pt(IV)-5-CN-PADAT complex: first add 1 mL5×10-2 mol / L platinum standard solution, then add 2.0 mL pH=4.0 HAc-NaAc buffer solution and 2 mL 1.0×10 -2 mol / L ethanol solution of 5-CN-PADAT, heated in a boiling water bath for 25min, cooled to room temperature under running water, made to volume with water, and shaken to obtain 5.0×10 -3 mol / L Pt(IV)-5-CN-PADAT complex.
[0039] The formation principle of the complex Pt(IV)-5-CN-PADAT: Platinum is located in Group VIII of the sixth cycl...
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