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)
I
−
.(IO
3
−
)
C/PO.(
n
-Ag
2
SO
4
)
SFnE-AD
Ion.exchange:.2I
−
.↔.SO
4
2−
el..redn.:.Ag
I
.→.Ag(0).at.
constant.potential
5.×.10
−12
-4.×.10
−9
.
(5.pM)
Table.salt.(ctng..
IO
3
−
)
modif.:.nanosized.salt;.IO
3
−
.chem..
red..prior.to.analysis;.solid.phase.
nano-extraction;.
R
R
.=.10%-110%.
no.interfs..of.Cl
−
,.BrO
3
−
,.and.IO
3
−
[1020]
Halo-anions
ClO
3
−
,.BrO
3
−
C/PO.(MMS.+.
PMo
12
)
CV,.DPV
elchem..activity.of.modif..+.
catalytic.effect
(1.μM.XO
3
−
)
Model.solns.
PMo
12
:.H
3
[P(Mo
3
O
10
)
4
..
n
-H
2
O
MMS:.mesopore.molecular.sieve
[1817]
ClO
4
−
C/Nj.+.
Amberlite
.
(TlCl
4
−
,.
in situ
)
DPV
o.c..accum.;.catalytic.
effect—chem..reoxidn..
of modif.
Drinking.water.
(spiked)
quantif..via.signal.of.modif.
incl..interf..studies
[733]
(50.μg.L
−1
,.12.min)
ClO
4
−
C/TCP+NB.
[Ni
II
-CPyClO
4
]
POT
Pairing.with.counter.ion
Equilibrium.potential
pClO
4
.1-5
Explosives,.rocket.
propellant.extrs.
Titrant:.cetylpyridinium.chloride
Applicable.also.to.detn..of.BF
4
−
;.
NB:.nitrobenzene
[709]
IO
3
−
C/PO.(SGAm.+.
PW
12
)
CV,.FIA-AD
Electrocatalytic.effect.of.
modif..(with.its.renewal)
5.×.10
−6
-0.001.M.
(3 ×.10
−6
.M)
Model.solns..
(in stream)
SGAm-PW
12
:.phosphato-tungstate-
functionalized.silica.gel.derivatized.
by.amino-funct..group.(3D-modif.)
[1818]
IO
3
−
CILE.(PW
12
)
CV,.AD
Electrocatalytic.effect.of.
modif.;.el..redn.
1.0-50.0.mg.kg
−1
.
(0.5.mg.kg
−1
)
comm..table.salt.
(ctng..IO
3
−
)
PW
12
:.1-12.phosphomolybdic.acid.
(RT)IL.used:.
n
-OcPy
+
PF
6
−
;.pH.5-6
Kinetic.studies.(evaln..of.k
H
,.
α
)
[482]
Pseudo-halides
CN
−
C/PO.(Cu
II
-
azomethine)
ASV
accum..by.compl.
Anodic.oxidn..of.analyte
(6.×.10
−9
.M)
Model.solns.
s.e.:.ammonia.buffer.(pH.10)
No.interfs..from.X
−
,.S
2−
,.SCN
−
[523]
CN
−
C/PO.(Hg
II
.+.L,.
in situ
)
ASV
Competitive.compl..form..
between.Hg
II
,.L,.and.CN
−
3.×.10
−7
-2.×.10
−6
.M
Model.solns.
Indirect.method.based.on.decrease.in.
signal.during.Hg
II
.→.Hg
0
.redn.
[698]
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