Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 279

NO 2 − C/PO.(Cu II -MPS) CV,.CEC-μED Extraction,.CE.separation;.

amperometric.oxidn.

1-160.ppm.
NO 2 − .(0.3.±.
0.05.ppm)

Ham,.sausage modif.:.Cu II -(3-mercaptopropyl)-

trimethoxysilane.(characterized.by.
UV-vis,.XPS,.FTIR);.μC:.
microchip

[2394]

NO 2 − C/SO.

(PNMA.+.DDS)

CV,.LSV Electrocatalytic.effect.of.

modif.;.el..redn.

1.×.10 −4 -0.02.M.
(<1 ×.10 −4 .M)

Model.solns. modif.:.electropolymerized.

N-Me-aniline.in.presence.of.
Na-dodecyl.sulfate;.poly-ilm.char..
by.SEM

[132]

NO 2 − C/PO.(Zn II -PBT) CV,.LSV Electrocatalytic.effect.and.

complex.form..with.modif.
Subsequent.el..redn.

10-50.ppm Model.solns. modif.:.Zn(C 11 H 15 N 3 ) 2 ]Cl 2 .compl..

CMCPE.applicable.also.to.H 2 O 2 ;.
CP-surface.regnt..mechanically

[1618]

NO 3 − C/ Aliquat 336 .

(R 3 R′N + NO 3 − )

POT Membrane.ion-exchange

Equilibrium.potential

0.07-2.5.pNO 3 Model.solns. Binder.served.as.mdf.;.interfs..Of.

X − .and.ClO 4 − .when. c ( A ).≥.10:1

[251]

NO 3 − C(CW)/ionex.

(ionex:. Orion
92-07-02 )

POT Membrane.ion-exchange

Equilibrium.potential

1.×.10 −5 -0.1.M Model.solns. CW:.ceresin.wax.(used.for.treating.

graphite.particles);.pH.3-8;.surface.
of.CPE.regnt..by.special.cutting.pr.

[538]

NO 3 − CP-CWE.

(R 4 N + Cl − .+.P.+.H)

POT Membrane.ion-exchange

Equilibrium.potential

1-5.pNO 3 Model.solns. “Solid-like”.CP.(P:.plasticizer,.H:.

hardener);.optimal.pH.2.5-10.3

[1970,.
2395]

NO 3 − C/Nj.(+ LA-2 ).

(Tl III ,. in situ )

DPASV o.c..accum..+.oxidn.

Electrocatalytic.effect

0.5-60.μg.mL −1 Drinking.water LA-2:.comm..ion-exchange.resin,.

s.e.:.HCl-based.medium.(pH.2-3)
Mechanical.regnt..of.CMCPE

[804]

S-anions
S 2−

C/PO.(DMA.+.LS,.
in situ )

CV,.ACV accum..via.MB.formt..by.

ion-pairing.+.adsort.;.redn.

(5.×.10 −11 .M) Model.solns. Indirect.detn..via. Methylene blue .

formation;.modif.:. p -dimethyl- N -
aniline.+.lauryl.sulfate

[2396]

S 2− C/PO.(FePC) CV,.POT.(dir.) Catalytic.effect.+.oxidn.

Equilibrium.potential

1.×.10 −6 -0.005.M.
(−)

Model.solns. FePC:.Fe II -phthalocyanine;.detn..of.

S −II -org..compds..also.studied

[2397]

SO m - anions
SO 3 2− C/Nj.(PbO 2 ,. in situ ) LSV Electrocatalytic.effect.of.

modif.;.el..oxidn.

(ca..1.×.10 −6 .M) Model.solns. modif..dep..from.solns..ctng..Pb 2+

s.e.:.0.5.M.H 2 SO 4

[520]

SO 3 2− C/PO.(AG.+.HCF.+.

S-Ox)

FIA-EC Mediated.enzym..reaction

Amperometric.detn.

(nM.level) Model.solns. AG:.agarose.gel,.HCF:.Fe(CN) 6 4− ,.

S-Ox:.sulite.oxidase;.SO 2 (g).detn.

[2398]

( continued )