Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 233

Pb 2+ C/PO.(plant.

tissue)

DPASV bioaccum..(ion-exchange)

redn.;.anodic.reoxidn.

(0.01.ppb) Natural.waters modif.:.grass.weed.( Pennisetum )

s.e.:.acetate.buffer.(pH.5)

[2756]

Pb 2+ ,.Hg 2+ C/PO.(SH/

ms-SiO 2 )

SWV accum..via.compl.

redn.;.anodic.reoxidn.

10-1500.ppb.Pb
20-1600.ppb.Hg

Model.solns. SH/ms.SiO 2 :.thiol-ctng..

mesoporous.silica;.simult..detn..
of.Hg II

[772]

Pb 2+ C/PO.

(1,8-DAN)

DPASV accum..via.compl.;.redn.

Anodic.reoxidn.

50-2000.ppb.
(30 ppb;.10.min)

Model.solns. DAN:.diaminonaphthalene.+.CP.

acts.as.conducting.polymer

[1807]

Cd 2+ ,.Pb 2+ C/PO.(α-CD,.

β-CD)

ASV accum..by.ion-inclusion.effect;.

cathodic.redn.

(6.×.10 −7 .M.Pb)
(2.×.10 −5 .M.Cd)

Model.solns. CDs:.cyclodextrins;.incl..studies.

on.diff..prfm..of.α-CD.and.
β-CD

[1416]

Cd 2+ ,.Pb 2+ .Tl + C/SO.(+BiF,.

in situ )

DPASV accum..onto.Bi.via.Me a Bi b .alloy.

formation;.reoxidn.

50-500.μg.L −1 .
Me n + .(−)

Model.solns. s.e.:.0.1.M.NaOH/KOH.(pH.12)

Study.on.complexation.by.OH −

[637]

Cd 2+ ,.Pb 2+ .
Me n +

C/SO.(+BiF) CV,.DPASV accum..onto.Bi.via.Me a Bi b .alloy.

formation;.reoxidn.

50-1000.μg.L −1 .
Me n + .(−)

Model.solns. Initial.study.with.BiF-CPEs.

made. in situ/ex situ ;.Me n + :.Mn,.
Zn,.Tl,.Sn,.In,.and.Sb.

[625,2264]

Pb 2+ D/PO.(DPEs,.

three.types)

DPASV accum..via.electrolytic.redn.;.

anodic.reoxidn.

1.×.10 −10 -1.×.10 −6 .
M,.depending.on.
DPE;.(10-100.
pM;.—)

Natural.water,.
tea.samples

D:.natural.or.synthetic.diamond.
(particle.size:.1.or.50.μm);.
DPE:.diamond.paste.electrode

[349]

Cd 2+ ,.Pb 2+ .
Cu 2+

C/PO.(CPA.+.
ms..SiO 2 )

SWV accum..via.compl./adsorp.

redn./anodic.reoxidn.

10-200.ppb.(0.5.
ppb;.20.min)

Model.solns. CPA:.carbamoyl-phosphonic.

acid.as.self-assembled.
monolayer.on.mesoporous.
silica;.also.detn..of.Cu

[771]

Pb 2+ C/PO.

[(OH-AQ-
Me) 2 S]

DPASV accum..via.complexation

e..redn./anodic.reoxidn.

6.×.10 −10 -6.×.10 −6 M.
(4.×.10 −10 .M;.
11.min)

Wastewater modif.:.bis[1-hydroxy-9,10-

anthra-quinone-2-methyl]
sulide

[1351]

Pb 2+ .Me n + C/SO.(+BiF,.

in situ )

DPASV,.
SWASV

accum..onto.Bi.via.Me a Bi b .alloy.
formation;.reoxidn.

2-20.ppb.Pb.
(0.8 ppb;.20.min)

Tap.and.sea.
water

Initial.study.with.BiF-CPE.
in situ ;.s.e.:.0.1.M.AcB.
(pH 4.5).or.0.1.M.NaOH.(12);.
Me n + :.Zn, Cd,.and.Tl

[2265]

Cd 2+ ,.Pb 2+ C/SO.(+BiF,.

ex situ )

DPASV accum..onto.Bi.via.Me a Bi b .alloy.

formation;.reoxidn.

50-200.ppb.
Me 2+ (−)

Model.solns. Investigation.of.Bi-ilm.

deposition.by.SEM;.Cd 2+ .+.Pb 2+ .
as.model.ions

[622]

( continued )