Chemistry Reference
In-Depth Information
Co
2+
C/PO.
(1-spartein)
CV,.DPV
accum..via.compl.
oxidn..of.ligand.+.redn.
2.×.10
−7
−5.×.10
−5
.M.
(1.×.10
−7
.M,.
20.min)
Model.solns.
incl..studies.on.compl..effect.of.
other.ions
[2309]
Co
2+
C/Nj.(PAN)
DPV
accum..by.chelating
Cathodic.redn.
2.×.10
−7
−1.×.10
−4
.M.
(1.×.10
−7
.M,.
15.min)
Real.samples
PAN:.1-(2-pyridylazo)-2-naphtol
CMCPE.regn..in.acidic.soln.
[2310]
Co
2+
C/PO.(+phen.).
(HTTA,.
in situ
)
2.5-DPV
accum..via.form..of.ternary.
compl.;.redn.
8.×.10
−9
−7.×.10
−7
.M.
(1.×.10
−9
.M,.7.min)
Natural.water
HTTA:.thiophenecarboxylic.
triluoroacetate;.s.e.:.acetate.buffer
[2311]
Co
2+
C/Nj.(CPCHA)
DPASV
accum..by.compl.;.redn.
Anodic.reoxidn.
1.×.10
−6
−4.×.10
−5
.M.
(3.×.10
−7
.M,.5.min)
pharm..(vitamin)
CPCHA:.
N-p
-
chlorophenylcinna-mo.
hydroxamic.acid
[1386]
Co
2+
C/PO.(PAN)
DPCSV
o.c.-accum..+.MEx
oxidn..+.cathodic.redn.
1.×.10
−8
−1.×.10
−8
.M.
(6.×.10
−9
.M,.3.min)
CRM,.human.
hair,.pig.liver,.
spinach
PAN:.1-(2-pyridylazo)-2-naphtol
interfs..from.V
II
,.Ce
III
,.and.EDTA
[1357]
Co
2+
C/PO.(
Cyclam
)
POT.(dir.,.
titr.)
Chemical.equilibrium.and.
steady-state.potential.for.
Co
2+
.↔.Co
II
−
Cyclam
6.×.10
−6
−0.1.M.(3.×.
10
−6
.M;.—)
Wastewater.
(from.
electroplating.
baths)
Cyclam
:.agent.entrapping.Co
2+
.via.
its.ion-diameter;.solns..cntg..
25% EtOH;.Nerstian.slope:.
28.4.mV/dec.
[1407]
Co
2+
C/SO.[+.PbF].
(Nx,.
in situ
)
CtAdSV
accum..via.compl.;.
electrocatalysis-assisted.el..
redn..(nioxime/
NO
2
−
.system)
1.×.10
−9
−5.×.10
−7
.M.
(4.×.10
−10
.M;.2.min)
Model.solns.
s.e.:.0.1.M.AmB.+.5.×.10
−4
.M.Nx.
(nioxime).+.0.25.M.KNO
2
;.detn..
of.Co
II
.in.the.presence.of.Ni
II
.and.
Zn
II
.at.high.excess
[1895]
Co
2+
C/PO.(ZEs:.
A,X,Y.types)
ASV
accum..via.ion-exchange.+.
sorption/el..redn.
Anodic.reoxidn.
(3.ppm;.15.min)
Model.solns.
ZEs:.zeolites;.characterization.by.
XRF.+.particle.size.analysis
[1121]
Ni
2
+
.
(
+
Co
2
+
)
Ni
2+
C/Nj.(DMG,.
in bulk)
DPCSV,.
EC-FIA
accum..by.chelating.and.
adsort.;.cathodic.redn.
0.05-5.ppb.(10.min)
Natural.water,.ly.
ash
DMG:.dimethylglyoxime;.CPE.
regnt..in.1.M.HNO
3
;.s.e.:.AmB.
(pH.8);.no.interfs..from.O
2
[549,683]
Ni
2+
,.Co
2+
C/SO.[+MF].
(DMG,.
in situ
)
DPCSV
accum..by.chelating.with.
DMG.and.adsorption;.
cathodic.redn.
1.×.10
−8
−1.×.10
−6
.M.
Co.(5.×.10
−9
.M;.
10.min)
Sea.water.
(synthetic)
DMG:.dimethylglyoxime;.detn..
performed.with.the.bare.CPE.as.
well.as.MF-CPE;.s.e.:.AmB.+.
TEA.(pH.9)
[2308]
(
continued
)
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