NAVI F-52 - Page 247

Chapter 16 Reference
16.3 Ion measurement
234 HORIBA
● Types and Features of Applicable Electrodes
(1) Ion electrode (single-pole type)
Electrode
type
model
and ion
types
(1) Measurement range
(2) pH allowable range
*1
(3) Electric potential
slope
*2
(4) Temperature range
Interfering ion
Coexistence allowable
limit
*3
Applicable refer-
ence electrode
and its internal
liquid type
*4
Solid
mem
-
brane
8001-
10C
Cyanide
(CN
-
)
① 0.03 to 2600 mg/L
CN
-
(10
-1
to 10
-4
mol/L CN
-
)
② pH 11.5 to 13.9
(2.6 mg/L CN
-1
)
③ -59 mV
④ 0 to 50 ℃
Cl
-
, F
-
, Br
-
, HCO
3
-
, SO
4
2-
,
SO
3
2-
=10000,
S
2
O
3
2-
=1
I
-
=0.1
S
2-
, MnO
4
-
=Not applicable
2060A-10T,
2565A-10T
3.33 mol/L KCl
(250 g/L potas-
sium chloride)
8002-
10C
Chloride
(Cl
-
)
① 0.4 to 35000 mg/L Cl
-
(1 to 10
-5
mol/L Cl
-
)
② pH 3 to 11
(350 mg/L Cl
-
)
③ -59 mV
④ 0 to 50 ℃
NO
3
-
, F
-
, HCO
3
-
, SO
4
2-
,
PO
4
2-
=more than 1000
SCN
-
=0.3
MnO
4
-
=0.1
Br
-
=0.03
S
2
O
3
2-
, S
2-
, I
-
, Ag
+
,
Hg
2+
=Not applicable
(At 10
-3
mol/L Cl
-
)
2565A-10T
1 mol/L KNO
3
(100 g/L Potas-
sium nitrate)
8003-
10C
Sulfide
(S
2-
)
① 0.3 to 32000 mg/L S
2-
(1 to 10
-5
mol/L S
2-
)
② pH 12 to 14
(3.2 mg/L S
2-
)
③ -59 mV
④ 0 to 50 ℃
NO
3
-
, Br
-
=10000
I
-
, F
-
, Cl
-
, PO
4
2-
, SO
4
2-
=1000
S
2
O
3
2-
= １０
CN
-
=Not applicable
2060A-10T,
2565A-10T
3.33 mol/L KCl
(250 g/L potas-
sium chloride)
8004-
10C
Iodide
(I
-
)
① 0.3 to 13000 mg/L I
-
(10
-1
to 10
-7
mol/L I
-
)
② pH 2 to 11
(2.6 mg/L I
-
)
③ -59 mV
④ 0 to 50 ℃
Cl
-
, F
-
, Br
-
, PO
4
2-
, SO
4
2-
=10000,
Br
-
=1000
NO
3
-
=100
S
2
O
3
2-
= １０
MnO
4
-,
S
2-,
CN
-
=Not appli-
cable
2060A-10T,
2565A-10T
3.33 mol/L KCl
(250 g/L potas-
sium chloride)
8005-
10C
Bromide
(Br
-
)
① 0.8 to 80000 mg/L Br
-
(10
-1
to 10
-5
mol/L Br
-
)
② pH 2 to 11.5
(2.6 mg/L Br
-
)
③ -59 mV
④ 0 to 50 ℃
F
-
, NO
3
-
, SO
4
2-
=1000
Cl
-
, PO
4
2-
=100
MnO
4
-
=1
S
2
O
3
2-
, S
2-
, I
-
, CN
-
=Not
applicable
(At 10
-3
mol/L Br
-
)
2065A-10T
1 mol/L KNO
3
(100 g/L Potas-
sium nitrate)