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P
P
10.2.3 _ $I# :;I# $ pH : WV !8;\#Q $O:# (Parts
and their function of glass electrode)
7
1) 4 O (sensors electrode) ("
Y
' ( (* ' *
(*
1
+
0
6/
#
K . 5 H - " Y
' (* # *! "
% ' /
7
,
/
"
#V V (buffer) & pH & ' ( pH 7) ! " 5(
KCl /
+/
7
)
,
)
,
T
0
1
+/
! "(
* 5VV ' ( " (silver) 8 #( " & 5 (* " ( ' /
+
T
+7
)
+7
)
10.2)
*
$
"5VV * "
# ! & H " "
# 0 -
,
)
( " (" 0 - '
' & 6/ 5VV '5(*
& pH ("
T
/
)
1
/
( 7
(& pH *+
1 ( 0 -)
% H)
( "
6
4
P
6/
7
2) (reference electrode) "
"# '"# 5 .
!
7
,
/
7
,
$
"5VV ' (& # * * ( (lead wire)
# & 5 (
7
1
T
,
/
)
* & 5 ( KCl % ( / KCl * + 3 Y
K ' " (
,
,
7
0
6/
6/
7
. ! 3!
#! "'* (
% ! "' ! "
Dsalt bridgeE
7
/
1
)' / %6/ 7
* ! ! #! ! 6
& / 5 .6/ '
5 KCl & ' /
( ' /'1
( ( ) ' 10.2
/
6/
6/
(! " KCl * 5
. %
#! "'H)
(
/
6/
7
( (
% pH * *! #( KCl Y
' ( . ( )
,
)
/
+
( "5 ' (
(
Y 5
7
7
& &6 ' / % % ( ( "
# Y
' (- "
*
7& ! " KCl Y
' ( '
# 7
( "
$X 10.2 !
# & 6/ 6 (&
( ( ## Y
' (
(Anthoni 2005)
