Chemistry Reference
In-Depth Information
Ti
IV
, Zr
IV
Ti
IV
.(TiO/
Ox
/
2
2−
)
C/Uv.(CTAB,.
in situ
)
DPASV
accum..by.ion-pairs.
form.;.Ti
IV
.→.Ti
III
.redn..
+.reoxidn.
5-160.μg.L
−1
.(0.1.μg.
L
−1
,.10.min)
Model.solns.
CTAB:.cetyltrimethylammonium.
bromide;.s.e.:.0.01.M.H
2
C
2
O
4
[704,817]
Zr
IV
C/PO.(NN.+.
Zr
IV
.salt)
POT.(dir.)
compl..and.ion-pairing
Change.in.equilibrium.
pot.
1.×.10
−6
−5.×.10
−4
.M
Ceramic.glass
NN
:.1-nitroso-2-naphthol;.solns..
buffered.to.pH.2;.sample.dissolved.
in.a.mixture.with.HF
[2351]
Zr
IV
.(ZrO
2+
)
C/PO.(AR
S
,.
in situ
)
2nd.DeLV
adsorp..accum..as.compl.
Cathodic.redn..of.ligand
2.×.10
−10
−4.×.10
−7
.M.
(1.×.10
−10
.M,.4.min)
CRMs.(ores)
AR
S
:.Alizarin.Red.
S
;.s.e.:.mixed.
acetate/phthalate.buffer.(pH.4.8)
[2352]
Zr
IV
.(ZrO
2+
)
C/PO.(AR
S
.+.
Ca
2+
)
AdSV,.
DPCSV
adsorp..accum..as.Zr
IV
/
Ca
II
-
ARS
.compl.;.ligand.
redn.
1.×.10
−10
−2.×.10
−7
.M.
(4.×.10
−11
.M;.4.min)
CRMs.(ores)
modif..
in situ
;.0.04.M.phthalate.buffer.
+.0.1.M.glycine.(pH.4.0)
[2353]
Zr
IV
.(ZrO
2+
)
C/Nj.(
Morin
)
2nd.DeLV
adsorp..accum..as.compl.;.
el..redn..+.anodic.
reoxidn.
0.6-6.×.10
−8
−3.×.
10
−6
.M.(3.×.10
−9
.M;.
3.min)
CRMs.(ore.
specimens)
Morin:.an.anthraquinone.der.;.s.e.:.
2.M.HCl.+.10.mM.
Mo
;.no.extraction.
and.other.pretreatment.of.samples
[2354,2355]
Zr
IV
.(ZrO
2+
)
C/PO.(a),.
CNT-CPE.
(b-d).(AR
S
,.
in situ
)
2nd.DeLV
adsorp..accum..as.compl..
(with.transduction.effect.
by.CNTs);.anod..oxidn.
1.×.10
−9
−2.×.10
−7
.M.
(a).2.×.10
−11
−10.nM.
(b-d).(1.×.10
−11
.M;.
3.min)
Ore.specimens
AR
S
:.Alizarin.Red.
S
.+.Ca
II
.(b,c).s.e.:.
AmAc.(pH.4-5);.a,b:.fast.scan.rate,.
200.mVs
−1
;.
E
R
.=.0-1.0.V.vs..ref.
[3977,407,408
,
686]
Ce
3+/4+
Ce
3+/4+
C/Nj.(ALC.+.
CTAB)
CV,.2nd.
DeLV
adsorp..accum..as.
complex.with.Ce
III
.(with.
chem..redn..of.Ce
IV
);.
anodic.reoxidn.
8.×.10
−10
−3.×.10
−9
.M.
(6.×.10
−10
.M;.2.min)
CRM.(nodular.
cast.iron)
ALC:.Alizarin.complexone;.CTAB:.
cetyltetraammonium.bromide;.AcB.
+.PhB.(pH.5);.complexation.study
[1629,2356]
Ce
3+
C/PO.
(BPy/n-SG)
ASV
accum..via.complexing.of.
Ce
III
-BPy;.anodic.oxidn.
1-30.ng.mL
−1
.
(1.ng mL
−1
)
Real.samples.
(ore.
specimens)
BPy/n-SG:.bipyridyl-functionalized.
nanoporous.silica.gel;.s.e.:.AcB.
(4.5);.RSD.<.3%
[1870]
Ce
3+
C/PO.(PMFH)
ASV
accum..via.complexing.of.
Ce
III
-NHMF;.anodic.
oxidn.
5-90.nmol.L
−1
.
(0.8.nmol.L
−1
)
Wastewater.
phosphate.rock
PMFH:.
N
′-[(2-hydroxy-phenyl).
methylidene]-2-luorohydrazide
s.e.:.AcB.+.PhB.(pH.4-5)
[1377]
Ce
3+
CNT-ILE.
(NHMF)
POT.(dir.)
compl..and.ion-pairing
Change.in.equilibrium.
pot..(at.pH.3.5-9.0)
8.×.10
−7
−0.1.M.(3.×.
10
−7
.M;.20.s)
Model.solns.
modif.:.semicarbazide.derivative
el..opt..comp.:.44%.C.+.15%.CNTs.+.
25%.[BuMIm]BF
4
.+.16%.NHMF
[418]
(
continued
)
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