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jessenju

木虫 (正式写手)

[求助] 求教Randles-Sevcik equation的计算

扩散控制的过程, ip正比于v1/2,用Randles-Sevcik equation算电子转移数:
ip = (269,000)n3/2AD1/2Cν1/2 ip = current maximum in amps
n = number of electrons transferred in the redox event (usually 1)
A = electrode area in cm2
F = The Faraday Constant in C mol−1
D = diffusion coefficient in cm2/s
C = concentration in mol/cm3
ν = scan rate in V/s
这是摘抄的wiki的方程,但扫速用V/s做单位好像算出来的结果很奇怪,但用mV/s算出来的比较正常,想请问谁做过,到底应该用什么?用什么权威的书佐证的?谢谢。
或者Bard的书什么的在第几页,翻几遍了没找着。
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Joy-Xu

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【答案】应助回帖

在藤岛昭的那本书里有详解,具体那一页忘了,好像160多页的样子,扫速单位就是V/s
2楼2012-08-21 16:25:04
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