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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
55-16 Chemical Variables
e proportionality factor D is called the diusion coecient. At the electrode surface, the ux must be
eq
ual
to t
he
n
umber
o
f
m
oles
N c
onverted
p
er
u
nit
o
f
t
ime
a
nd
s
urface
a
rea
b
y
t
he
e
lectrode
r
eaction:
j t
N
t
( , )0 =
d
d
(5
5
.24
)
e
f
aradaic
c
urrent
i
f
is related to dN/dt according to
i
nFA N
t
f
d
d
=
(5
5
.25
)
where
n i
s
t
he
n
umber
o
f
e
lectrons
i
nvolved
i
n
t
he
r
eaction
o
f
a si
ngle
a
nalyte
p
article
F i
s
t
he
F
araday
c
onstant
a
nd
A i
s
t
he
s
urface
a
rea
o
f
t
he
w
orking
e
lectrode
e Ne
rnst diusion layer
mo
del
as
sumes
th
at
wi
thin
a la
yer
of th
ickness
δ, th
e
an
alyte
co
ncentration
de
pends
li
nearly
on th
e
di
stance
fr
om
th
e
el
ectrode
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Publisher Resources

ISBN: 9781439848913