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催化动力学电位
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  catalytic potentiometry
     Determination of Tungsten by Flow injection Catalytic Potentiometry
     流动注射催化动力学电位法测定痕量钨的研究
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     A new catalytic potentiometry method has been developed for the determination of gold,with the ligand exchange reaction between potassium ferricyanide and EDTA used as indicatiry reaction and the α,α′-dipyridyl used as activator.
     研究了以痕量Au(Ⅲ)为催化剂、α,α′联吡啶作活化剂,以铁氰化钾与EDTA之间的配位反应为指示反应的新的催化动力学电位法.
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  “催化动力学电位”译为未确定词的双语例句
     Catalytic Kinetic Potentiometric Determination of Trace Palladium after Separation and Enrichment by Polyamide
     聚酰胺分离富集催化动力学电位法测定痕量钯
短句来源
     Determination of Copper by Catalytic Ki-netic Potentiometric Method
     铜的催化动力学电位法测定
短句来源
     Catalytic Kinetic Potentiometry Determination of Trace Gold after Separation and Enrichment by Polyamide
     聚酰胺分离富集催化动力学电位法测定痕量金
短句来源
     Catalytic Kinetic Potentiometry for Determination of Trace Copper by Using Potassium Iodate-iodide System
     碘酸钾-碘离子体系催化动力学电位法测定痕量铜
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     Catalytic Kinetic Potentiometry for the Determination of Formaldehyde
     催化动力学电位法测定甲醛
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  相似匹配句对
     Kinetic Potentiometric Analysis of Nitrous Ions
     亚硝酸根的催化动力学电位分析
短句来源
     Determination of Copper by Catalytic Ki-netic Potentiometric Method
     铜的催化动力学电位法测定
短句来源
     Catalytic Kinetic Potentiometry for the Determination of Formaldehyde
     催化动力学电位法测定甲醛
短句来源
     Catalytic Kinetic Potentiometry for the Determination of Trace Nitrite
     催化动力学电位法测定痕量亚硝酸根
短句来源
     Determination of Trace Manganese by Catalytic Kinetic Potehtiometry
     催化动力学电位法测定微量锰的研究
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Bromophenol blue ion-selective electrode was used in catalytic potentiometric method to determine trace amount of Mn(Ⅱ). As the rcaction velocity is proportional to the concentration of Mn(Ⅱ), this electrode is used to indicate the variation of the concentration of bromophenol blue. A linear range is obtained from 2 to 40 ng/mL of Mn(Ⅱ). This method was successfully applied to determine the trace amount of Mn(Ⅱ) in nature water.

本文研究了将溴酚蓝离子选择电极应用于催化动力学电位法测定痕量锰(Ⅱ)的新方法。在高碘酸钾-锰(Ⅱ)-氨三乙酸-溴酚蓝体系中,以高碘酸钾氧化溴酚蓝褪色为指示反应,氨三乙酸(NTA)为活化剂,锰(Ⅱ)具有显著的催化作用。用溴酚蓝电极测量此体系中电位改变一定值所需时间的倒数t~(-1)与溶液中Mn(Ⅱ)的含量在2~40ng/mL范围内呈线性,灵敏度高,选择性好。应用于环境水样中痕量锰(Ⅱ)的测定。获得了满意结果。

The reaction of potassium periodate and orange red can be catalyzed by nitrous ions. This reported kinetic analysis of nitrous ion is based on the monitoring of the concentration change of periodate ions by means of the perchlorate selective electrode.The optimum operation procedures is reported. Recovery test and sample analysis show the good correlation with the critical spectrometric methods.

高碘酸钾与甲基红的反应可为亚硝酸根所催化。本文报导了应用高氯酸根选择电极监测高碘酸根浓度改变,从而进行亚硝酸根测量的催化动力学电位分析法。对测试条件进行了试验。回收率试验及实际试样分析的结果均与传统的分光光度法相仿。

A catalytic kinetic potentiometry for determination of trace nitrite has been developed. The method is based on the oxidation of iodide by potassium bromate which can be catalyzed by nitrite in the solution of diluted H 2SO 4. The concentration of iodide is followed by iodide ion selective electrode. Under the suitable conditions,the indicator reaction is first order and the reaction rate can be expressed as the change of potential(△ E ). The △ E is linear with concentration of nitrite in the range...

A catalytic kinetic potentiometry for determination of trace nitrite has been developed. The method is based on the oxidation of iodide by potassium bromate which can be catalyzed by nitrite in the solution of diluted H 2SO 4. The concentration of iodide is followed by iodide ion selective electrode. Under the suitable conditions,the indicator reaction is first order and the reaction rate can be expressed as the change of potential(△ E ). The △ E is linear with concentration of nitrite in the range of 0~0.12 mg/L at fixed time procedure. The detection limit of nitrite is 2.0 μg/L. This method has used to the determination of trace nitrite in water samples with satisfactory results.

基于稀硫酸介质中 ,亚硝酸根对溴酸钾氧化碘化钾有催化作用 ,用碘离子选择电极跟踪 I- ,建立了测定痕量亚硝酸根的催化动力学电位法。在适宜条件下 ,该指示反应为一级反应 ,反应速度可用电位的变化 (△ E)表示。当时间固定时 ,△ E与亚硝酸根浓度在 0~ 0 .1 2 mg/L范围内呈线性关系 ,检出限为 2 .0 μg/L。该法用于水样中痕量亚硝酸根的测定 ,结果满意

 
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