Chemistry Reference
In-Depth Information
TABLE 8.6 (continued)
Determination of Zinc, Thallium, Tin, Indium, Bismuth, Antimony, Arsenic, and Selenium at Carbon Paste Electrodes, Sensors,
and Detectors: Survey of Methods and Selected Studies
Type of CPE
(Modiier)
Technique
(Mode)
Measuring Principles
(Method Sequences)
Linearity Range
(LOD;
t
ACC
/
t
R
)
Other Speciication
(Remarks)
Ion, Species
Sample(s)
Ref(s)
Bi
3+
C/PO.(sodium.
humate)
CV,.DPV
o.c.-accum..+.MEx
redn..+.anodic.reoxidn.
5.×.10
−8
-2.×.10
−5
.M
Waters,.alloy
s.e.:.(1).0.05.M.KNO
3
.+.
0.01.M.HNO
3,
.(2).0.5.M.
HNO
3
[1697]
Bi
III
.BiCl
4
−
C/Nj.(
Pyrogallol red
)
2nd.DeLV
accum..by.compl.
redn..+.anodic.reoxidn.
1.×.10
−9
-6.×.10
−7
.M.
(5.×.10
−10
.M,.5.min)
Model.solns.
s.e.:.0.3.M.HCl
incl..study.on.accum..
mechanism
[2294]
Bi
3+
C/PO.(
SWy-2
)
DPASV
o.c..accum..via.ion-exch.
el..redn./anodic.reoxidn.
4.×.10
−9
-1.×.10
−6
.M.
(1.×.10
−10
.M;.5.min)
Water.sample,.
nickel.alloy
SWy-2
:.Na-montmorillonite;.
ion-exchange.+.strong.
sorption.of.Bi
III
[2295]
Bi
3+
C/PO.(BPR;.
in situ
)
DPASV
o.c..accum..via.chelating
el..redn./anodic.reoxidn.
1.×.10
−9
-5.×.10
−7
.M.
(5.×.10
−10
.M;.3.min)
Water.sample,.
human.hair
BPR:.bromopyrogallol.red;.
s.e.:.0.3.M.HCl.+.2.×.10
−5
.M.
BPR
[692]
Bi
3+
C/PO.type.(1),(2).
(BiI
4
−
.+.POE/OPE.+.
Fe(phen)
3
)
POT.(dir.)
Chemical.equilibrium.and.
steady-state.potential.for.
Bi
3+
.↔.(POE/OPE)
+.
BiI
4
−
(4.×.10
−6
.M.(1).
(2 × 10
−6
.M.(2).
t
R
= 20-40.s)
Suppositories,.
ointment.dosage
POE:.polyoxy.ethylene,.OPE:.
octyl-.phenyl.ether,.“phen”:.
1,10-phenan-throline);.s.e.:.
buffers.(pH.3-9)
[2296]
Sb
3+
,
SbIII
,
Sb
V
Sb
3+
C/PO
DPASV.
(with.RDE)
accum..via.electrolytic.
redn.;.anodic.reoxidn.
0.005-0.500.ng.mL
−1
.
(500.pg.mL
−1
;.
10.min)
Model.solns.
RDE:.rotated.disc.electrode.
(2500.rpm);.s.e.:.diluted.
HCl.(pH.2)
[529]
Sb
3+
C/Nj.(phenylluorone)
DPASV
o.c.-accum..via.compl.
redn..+.anodic.reoxidn.
3.×.10
−8
-1.×.10
−7
.M.
(9.×.10
−9
.M,.10.min)
Soil,.human.hair
incl..interf..studies.on.various.
ions.and.org..substances
[1370]
Sb
3+
C/PO.(BPR)
DPASV
o.c..accum..via.chelating
el..redn./anodic.reoxidn.
2.×.10
−9
-5.×.10
−7
.M.
(1.×.10
−9
.M;.2.5.min)
Water.sample,.
human.hair
BPR:.bromo-pyrogallol.red;.
s.e.:.0.1.M.HCl.+.3.×.10
−5
.M.
BPR.(chel..ag..preventing.
hydrolysis.of.Sb
III
)
[693]
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