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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
55-26 Chemical Variables
Shorter analysis times are achieved if very short and relatively large rectangular pulses with a dura-
tion
t
p
= 5–10 ms and an amplitude of E = 50 mV are superimposed on a stepped potential ramp with
th
e
sa
me
du
ration
bu
t
sm
aller
po
tential
st
eps
of ab
out
10 mV. e po
tential
ca
n
th
en
be sc
anned
at
ex
tremely
hi
gh
ra
tes
of up to 12
00
mV s
−1
. However, the sensitivity decreases because the ratio of fara-
daic
to c
apacitive
c
urrents
i
s
l
owered
b
y
t
he
s
hort
p
ulse
t
imes
.
Di
erential Pulse Voltammetry: Dierential pulse methods
ar
e
th
e
mo
st
im
portant
on
es
in an
alytical
vo
ltammetry
. Pe
riodically
re
peated
re
ctangular
vo
ltage
pu
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Publisher Resources

ISBN: 9781439848913