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催化动力学极谱法
相关语句
  catalytic kinetic polarographic
     STUDY ON THE CATALYTIC KINETIC POLAROGRAPHIC DETERMINATION OF MANGANESE
     催化动力学极谱法测定锰的研究
短句来源
     Catalytic Kinetic Polarographic Determination of Trace Amounts of Molybdenum
     催化动力学极谱法测定痕量钼
短句来源
     Study on the Catalytic Kinetic Polarographic Determination of Chromium(Ⅵ)
     催化动力学极谱法测定铬(Ⅵ)的研究
短句来源
     Catalytic Kinetic Polarographic Determination of Trace Amount of Indium
     催化动力学极谱法测定痕量铟的研究
短句来源
  “催化动力学极谱法”译为未确定词的双语例句
     Study on The Catalytic Kinetic Oscillopolarographic Determination of Trace Manganese
     催化动力学极谱法测定痕量锰的研究
短句来源
     Study on Catalytic Kinetic Method for the Polarographic Determination of Trace Manganese
     催化动力学极谱法测定痕量锰的研究
短句来源
     CATALYTIC POLAROGRAPHIC DETERMINATION OF TRACE AMOUNTS OF NITRITE
     催化动力学极谱法测定痕量亚硝酸根
短句来源
     The kinetic polarographic determination method of trace amount of NO_2~- was established based on the change of methyl orange concentration in the catolytic reaction.
     以极谱法测定催化反应过程中甲基橙浓度的变化,建立了催化动力学极谱法测定痕量亚硝酸根的方法.
短句来源
     Catalytic Kinetic Methoi for the Polalographic Determination of Manganese
     锰的催化动力学极谱法测定
短句来源
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  相似匹配句对
     Catalytic Kinetic Methoi for the Polalographic Determination of Manganese
     锰的催化动力学极谱法测定
短句来源
     Catalytic Kinetic Polarographic Determination of Trace Amounts of Molybdenum
     催化动力学极谱法测定痕量钼
短句来源
     Catalytic polarographic determinnation of trace amounts of nitrite
     催化动力学极谱法测定痕量亚硝酸根
短句来源
     CATALYTIC POLAROGRAPHIC DETERMINATION OF TRACE AMOUNTS OF NITRITE
     催化动力学极谱法测定痕量亚硝酸根
短句来源
     Determination of Vanadium by New Catalytic Polarographic Method
     催化动力学极谱法测定痕量钒
短句来源
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This method is based on the catalytic effect of Mo(Ⅵ) on the redox reaction between ethyl orange and hydrazine sulfate in sulphuric acid medium at 100℃, and in 0.03mol/L H 2SO 4-0.30mol/L NH 3 H 2O supporting electrolyte, ethyl orange exhibits a sensitive polarographic wave at -0.52V (Vs.SCE). The change in ethyl oragne concentration is traced by polarography. The detection limit and the linear range of Mo(Ⅵ) are 3.54ng/mL and 20 ̄200ng/mL respectively. This new catalytic method has been applied to determining...

This method is based on the catalytic effect of Mo(Ⅵ) on the redox reaction between ethyl orange and hydrazine sulfate in sulphuric acid medium at 100℃, and in 0.03mol/L H 2SO 4-0.30mol/L NH 3 H 2O supporting electrolyte, ethyl orange exhibits a sensitive polarographic wave at -0.52V (Vs.SCE). The change in ethyl oragne concentration is traced by polarography. The detection limit and the linear range of Mo(Ⅵ) are 3.54ng/mL and 20 ̄200ng/mL respectively. This new catalytic method has been applied to determining molybdenum in urine, with satisfactory results.

在稀H2SO4介质中,钼(Ⅵ)对硫酸联氨还原乙基橙的反应有强烈的催化作用.而在0.03mol/LH2SO4-0.30mol/LNH3支持电解质中,乙基橙产生一灵敏的极谱吸附波,峰电位为-0.52V,以此作为监测催化反应过程中乙基橙浓度的变化,建立了催化动力学极谱法测定痕量钼的新体系,方法线性范围为20-300ng/mL,检出限为3.54ng/mL.方法应用于尿中钼的测定,结果满意

In HAc-NaAc buffer solution (pH 4. 5), Thoron produces two reduction wave peaks at - 0.36 V and - 0.60 V(vs. SCE). A new kinetic polarographic method for the determination of trace vanadium is proposed. The method is based on the reaction of vanadium(V) catalyzed oxidation of thoron by potassium bromate. The reaction is monitored by measuring the wave-hight decrease both at - 0 .36 V and - 0. 60 V. △I(△I1 + △I2 ) is linearly proportional to vanadium concentration in the range of 0.7 - 15 μg/L. The detection...

In HAc-NaAc buffer solution (pH 4. 5), Thoron produces two reduction wave peaks at - 0.36 V and - 0.60 V(vs. SCE). A new kinetic polarographic method for the determination of trace vanadium is proposed. The method is based on the reaction of vanadium(V) catalyzed oxidation of thoron by potassium bromate. The reaction is monitored by measuring the wave-hight decrease both at - 0 .36 V and - 0. 60 V. △I(△I1 + △I2 ) is linearly proportional to vanadium concentration in the range of 0.7 - 15 μg/L. The detection limit is 0.5 μg/L. The polarographic behaviour and electrode process have been studied. The method is sensitive, accurate and simple, it has been applied to the determination of trace vanadium in water samples.

在 pH 4.5 HAc-NaAc缓冲溶液中,钍试剂分别于- 0.36 V、- 0.60 V产生两个灵敏的极谱波。基于钒对溴酸钾氧化钍试剂的催化作用,建立了双极谱波测量的催化动力学极谱法。钒浓度在0.7~15μg/L与△I(△I1+ I2)呈线性关系,检测限为0.5μg/L。研究了极谱波性质及电极反应机理。本法简便、灵敏、准确,已用于直接测定水中痕量钒。

Iron(Ⅲ) can be determined with a new and sensitive method by polarography,based on the catalytic effect of iron(Ⅲ) on the oxidation of acid chromeblue K in the presence of potassium bromate at sulfuric acid and 100℃,the reaction rate was monitored by measuring the polarographic peak current of the acid chrome blue K. Iron(Ⅲ)concentration of 10~100ng/mL can be determined by the fixed time method,and the limit of detection was 0.15ng/mL.The method was used to determine iron concentration in natural water and food...

Iron(Ⅲ) can be determined with a new and sensitive method by polarography,based on the catalytic effect of iron(Ⅲ) on the oxidation of acid chromeblue K in the presence of potassium bromate at sulfuric acid and 100℃,the reaction rate was monitored by measuring the polarographic peak current of the acid chrome blue K. Iron(Ⅲ)concentration of 10~100ng/mL can be determined by the fixed time method,and the limit of detection was 0.15ng/mL.The method was used to determine iron concentration in natural water and food with satisfactory results..

基于在酸性条件下,铁对溴酸钾氧化酸性铬蓝K反应的催化作用,利用极谱仪器作为监测手段,测定酸性铬蓝K在0.08mol/LNH3H2O~0.01mol/L(NH4)2SO4介质中的极谱波,建立了催化动力学极谱法测定痕量铁的新方法.方法的线性范围为10~100ng/mL,检出限为0.15ng/mL,应用于天然水及食品中铁的测定,结果满意.

 
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