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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
59-6 Chemical Variables
59.2.1.2 Glass Membrane Indicator Electrode Response to pH
When
th
e
me
mbrane
gl
ass
is im
mersed
in aq
ueous
so
lution,
a ge
l-like
hy
drated
la
yer
on th
e
or
der
of
10
0
nm th
ick
fo
rms
at th
e
su
rface
of th
e
gl
ass
. Wit
hin
th
is
hy
drated
la
yer,
th
e
ex
change
of so
dium
io
ns
in th
e
gl
ass
fo
r
hy
drogen
io
ns
in th
e
so
lution
pr
oduces
a po
tential
di
erence
be
tween
th
e
hy
drated
la
yer
an
d
th
e
so
lution
th
at
de
pends
on th
e
hy
drogen
io
n
ac
tivity
. e ne
t
po
tential
de
veloped
ac
ross
th
e
en
tire
glass membrane, ϕ
net
, is the sum of boundary potentials ϕ
b
, at the inner (reference element side) and
ou
ter
(
sample
si
de)
e
xtents
o
f
t
he
m
embrane:
φ φ φ
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Publisher Resources

ISBN: 9781439848913