Chemistry Reference
In-Depth Information
TABLE 8.11 (continued)
Determination of Non-Metal Anions and Complex Structures at Carbon Paste Electrodes, Sensors, and Detectors:
Survey of Methods and Selected Studies
Ion,
Species
Type of CPE
(Modiier)
Technique
(Mode)
Measuring Principles
(Method Sequences)
Linearity Range
(LOD;
t
ACC
/
t
R
)
Sample(s)
Other Speciication (Remarks)
Ref(s)
SO
3
2−
s-CPE.[C/SBM].
(three.diff..
enzymes)
AD
Mediated.enzym..reactions
Amperometric.detn.
(nM.level)
White.and.red.
wines
SBM:.solid-like.binding.matrix
s-CPE-multibiosensor.applicable.
also.to.selected.electroactive.BICs
[575]
SO
3
2−
C/PO.(BFEFM)
CV,.CA.DPV
Electrocatalytic.effect.
of modif.;.el..oxidn.
4.×.10
−6
-0.01.M.(2 ×.
10
−7
.M.for.DPV)
Real.sample.
(unspeciied)
BFEFM:.bis.(ferrocenyl-ethyl)-
luoren-9-one;.pH.8.0;.evaln..of.
kinetic.parameters.(
k
S
,.
α
,.
D
X
)
[879]
SO
3
2−
C/PO.(Fc-EPhE)
CV,.DPV
Electrocatalytic.effect.
of modif.;.el..oxidn.
4.×.10
−6
-1.×.10
−4
.M.
(2.×.10
−7
.M.for.
DPV)
Model.solns.
Fc-EPhE:.1[4-(ferrocenyl-ethynyl).
phenyl].ethanone;.pH.8;.evaln..of.
kinetic.parameters.(
k
S
,.
α
,.
D
X
)
[1546]
SO
3
2−
s-CPE.[C/Wx].
[Ni
II
-Fe(aq)(CN)
5
]
CV,.CA.LSV,.
FIA
Electrocatalytic.effect.
of modif.;.el..oxidn.
3.×.10
−6
-0.003.M.
(9 ×.10
−7
.M;.LSV)
Real.samples
modif..characterized.by.XRD,UV;.
s.e.:.PhB.(pH.8-10);.long.lifetime
[2399]
SO
3
2−
CILE.(unm.)
CV,.DPV
Electrocatalytic.oxidn..
(with min..deactivation)
5-1000.μM.(4.μM)
Mineral.water,.
grape.juice,.
non-alcoholic.beer
(RT)IL.of.the.Q
+
PF
6
−
.type;.study.on.
r..kinetics.(evaln..of.
k
S
,.
α
,.
D
X
);.
comparison.with.CPE.and.GCE
[471]
SO
3
2−
C/PO.(ETF)
CV,.LSV,.AD
Electrocatalytic.effect.
of modif.;.el..oxidn.
5.μM-5.mM.(1.μM;.
<5.s)
Real.samples.
(wines)
ETF:.electrodeposited.thin.ilm.of.
Cu
II
/Co
II
-Fe(CN)
6
;.s.e.:.pH.8-10
[1041]
SO
3
2−
CNT-CPE.
[Cu
2
Fe(CN)
6
]
CV.FIA-PV
Electrocatalytic.effect.
of modif.;.el..oxidn.
0.5-50.0.mg.L
−1
.
(0.4.mg.L
−1
;.<5.s)
Food.products
PV:.pervaporation.technique;.s.e.:.
0.1.M.KNO
3
;.
E
A
.=.+0.55.V.vs..ref.
Comparison.with.DPP-method
[436]
SO
3
2−
CNTPE.(FcDCA)
CV,.EIS.DPV
Electrocatalytic.effect.
of modif.;.el..oxidn.
Real.samples
mdf.:.ferrocene-dicarboxylic.acid.
neutral.solns..(pH.7);.kinetic.study.
(evaln..of.
k
H
.and.
α
)
[444]
0.5-100.0.μM.
(0.3.μM)
SO
4
2−
s-CPE/C/Wx.
(R
3
R′N
+
HSO
4
.+.
P +.H)
POT
Membrane.ion-exchange
Equilibrium.potential
1-4.pSO
4
Model.solns.
Solid-like.CP;.P:.plasticizer.(DOP).
H:.hardener.(epoxy.resin);.pH.2-3
Indirect.method.(detc..of.modif.)
[1969]
SO
4
2−
C/PO.(Cr
III
-SBC)
POT.(dir.,titr.)
Chemical.equilibrium.for.
SO
4
2−
.↔.Cr-SB-SO
4
.adduct
2.×.10
−6
-0.05.M.(9 ×.
10
−7
.M;.10.s)
Mineral.water
SBC:.
Schiff base
.(
N
,
N
′-ethylene-
bis(5-hydroxy-salicylideneiminate;.
Ba
2+
.as.titrant;.optimal.pH.4-9
[2400]
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