Chemistry Reference
In-Depth Information
Sb
3+
,.Cu
2+
C/PO
DPASV.
(with.RDE)
accum..via.electrolytic.
redn.;.anodic.reoxidn.
10-50.ng.mL
−1
.Sb.
(5.ng.mL
−1
;.5.min)
CRMs.(iron.and.
steel)
s.e.:.HCl.+.KI.+.ascorbic.acid.
(for.separation.of.Sb.from.
Cu);.interfs..other.ions.
tested.(Bi
3+
,.Hg
2+
,.Pb
2+
)
[2297]
Sb
3+
C/PO.type.(1),.(2).
(SbI
4
−
+.CPy/TPhT)
POT.(dir.)
Chemical.equilibrium.and.
steady-state.potential.for.
Sb
3+
.↔.(CPy/TPhT)
+
SbI
4
−
4.×.10
−6
.M.(1).
5 × 10
−6
.M.(2).
t
R
= 20-30.s)
Wastewater,.
anti-bilharzial.
comp.
CPy:.cetyl.pyridinium,.TPhT:.
tri-phenyl.tetrazolium,.s.m.:.
pH.4-10;.little.interfs..from.
Cd
2+
,.Hg
2+
,.Bi
3+
[428]
Sb
III
,.Sb
V
CNTPE.(unm.)
PSA.(ox.:.
Hg
II
)
accum..via.electrolytic.
redn.;.catalytic.reoxidn.
10-50.+.100-500.ppb.
(6.ppb.Sb;.3.min)
pharms..
(
Meglumine-Sb
.)
Multiwalled.CNTs.mixed.
with.Nj
s.e.:.diluted.acid.(pH.3.6);.
cysteine.for.chem..redn..of.
Sb
V
;.interf..stud.
[2298]
As
III
,.
As
V
As
III
.+.As
V
C/SO.(+AuF,.
ex situ
)
DPASV
Electrolytic.deposition;.
anodic.reoxidn.
5-50.μg.L
−1
.(1.μg.L
−1
,.
10.min)
Model.solns.
Serious.interfs..from.Cu
II
.
(0.5:1)
With.possible.detn..of.As
III
.+.
As
V
.(chem..redn..with.
α-cysteine)
[261]
As
III
.+.As
V
C/SO.(+AuF,.
ex situ
)
CCSA.
(
I
C
= 1.μA)
accum..(electrolytic.redn.)
oxidn..with.const..current
As
III
:.3.ppb.(15.s).
As
V
: <1.ppb.(5.min)
River.water.
(polluted)
Interf..from.Cu
II
.(Cu:As.>.5:1)
With.diffn..of.As
III
.vs..As
V
;.
CPE.regnt..mech..and.in.
0.001.M.HClO
4
[108]
As
V
.(HAsO
4
2−
)
C/TCP.(unm.)
POT.(titr.)
Chemical.equilibrium.with.
ion-pairing:.HAsO
4
2−
.↔.
CPyB
+
H
2
;.[As(Mo
3
O
10
)
4
]
−
(0.2.mg.L
−1
.As
V
)
Mineral.water,.
org..substances
TCP:.tricresyl.phosphate.
(as binder)
CPyB:.cetylpyridinium.
bromide
Dry.ashing.of.solid.samples
[712]
As
V
.(HAsO
4
2−
)
C/PO.(Fe
II
-clinoptite)
POT.(dir.)
Ion-pairing.equilibrium:
HAsO
4
2−
.↔.(ZE)
2
-HAsO
4
2−
2.×.10
−8
-0.001.M.
(3 × 10
−8
.M;.5-10.s)
Natural.water,.
wastewater
modif.:.natural.zeolite;.
t
CP-ISE
.
>2.months;.evaluation.of.
k
PTO
i
[1137]
(
continued
)
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