Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 278

TABLE 8.11 (continued)
Determination of Non-Metal Anions and Complex Structures at Carbon Paste Electrodes, Sensors, and Detectors:
Survey of Methods and Selected Studies
Ion,
Species

Type of CPE
(Modiier)

Technique
(Mode)

Measuring Principles
(Method Sequences)

Linearity Range
(LOD; t ACC / t R ) Sample(s) Other Speciication (Remarks) Ref(s)

NO 2 − C/PO.(Ru II -BPD) FIA-EC Electrocatalytic.effect.of.

modif.;.el..redn.

— Model.solns. modif.:.[Ru II (bipy) 2 dppz] 2+ .polymer

s.e.:.HCl-based.medium

[2389]

NO 2 − C/Nj.(Mb.+.

colloid-Au)

CV Electrocatalytic.effect.of.

modif.;.el..redn.

Model.solns. Mb:.myoglobin

s.e.:.0.1.m.BR-buffer.(pH.7)

[948]

10-110.μM

NO 2 − C/PO.[+membr.] LSV Anodic.oxidn. (14.ppb;.i.e.,.3.ppm.

in.sample.
analyzed)

Cured.meat.
(preserved.by.
NO 2 −)

Membrane.from.cellulose-acetate;.
stabilization.soln.:.AA.+. m -PhA.+.
EDTA;.compared.with.UV-method

[2390]

NO 2 − C/PO.(MPP/SiO 2 .+.

SnO 2 )

CA,.HV.
(+RDE)

Electrocatalytic.effect.of.
modif.;.el..redn.

Model.solns. MPP:. tetrakis (1-methyl-4-pyridyl).

21H,.23H-porphine.ion;.mechanism.
and.kinetic.parameters.investigated

[1208]

(50.μM;.—)

NO 2 − C/PO.(DAN) CV,.DPV Electrocatalytic.effect.of.

modif.;.el..redn.

(0.2.mM;.—) Real.samples DAN:.2,3-diammino-naphthalene;.

up.to.120.detns./h

[2391]

NO 2 − C/PO.Fe(CN) 6 3− ;.

in situ

CV,.CA Electrocatalytic.effect.of.

modif.;.el..redn.

5.×.10 −5 -0.001.M.
(3.×.10 −5 .M,.—)

Model.solns. Overpotential.lowered.for.700.mV;.

reaction.at.higher.pH;.mechanism,.
kinetic,.and.activity.coeffs..( y ± )

[2392]

NO 2 − C/PO.(poly- o -TO) CV,.CA Electrocatalytic.effect.of.

modif.;.el..redn.

5.×.10 −4 -0.02.M.
(3.×.10 −4 .M,.—)

Real.samples Poly- o -TO:.poly(ortho-toluidine);.

redn..requires.highly.acidic.solns.

[2393]

NO 2 − C/PO.(PW-12) CV,.CA Electrocatalytic.effect.of.

modif.;.el..redn.

3.×.10 −5 -0.001.M.
(3.×.10 −5 .M,.2.s)

Water.samples PW-12:.H 3 [P(Mo 3 O 10 ) 4 ];.s.e.:.1.M.

H 2 SO 4 ;.kinetic.studies,.evaln..by.
Nicholson-Shain .method

[1052]

NO 2 − C/PO.(V IV O-SBC) CV,.LSV Electrocatalytic.effect.of.

modif.;.el..redn.

4.×.10 −6 -0.004.M.
(6.×.10 −7 .M,.—)

Model.solns. SBC:. Schiff base .complex;.react..

mechanism,.diffusivity,.kinetics,.
and.electrocatalysis.studied.
and calct.

[1592]

NO 2 − C/SO.(DQBQ) CV,.CA.DPV Electrocatalytic.effect.of.

modif.;.el..redn.

6.×.10 −6-8 .×.10 −4 .M.
(4.×.10 −6 .M;.DPV)

Weak.liquor.(from.
w-&-p.factory)

modif.:. p -duroquinone(tetramethyl.
p -benzoquinone;.optimal.pH:.1.0
w-&-p:.wood.and.paper

[1445]