Electrochemical Investigation with Carbon Paste Electrodes and Sensors - Electroanalysis with Carbon Paste Electrodes - page 153

TABLE 7.1 (continued)
Organic Compounds Studied with Carbon Paste-Based Electrodes and Sensors in
the 1960s and Early 1970s
Compounds/Groups of Compounds
(Abbreviation, Trivial Name) (a)

Subject(s) of Interest (Speciication,
Selected Details) References

Substituted carboxylic acids (1) :.
p -nitro-benzoic.acid,.
2,5-dihydroxybenzoic.and.
2,4,5-trihydroxy-benzoic.acid;.
3,4-dihydroxyphenylacetic.acid.
(DOPAC);.dihydrooxymandelic.acid.
(DHMA);.homovanillic.acid.(HVA);.
vanillomandelic.acid.(VMA);.EDTA.
( Chelaton III )

Anodic.oxidations;.follow-up.reactions.like.
hydrolysis;.“ E P (1/2) .vs..pH”.plots;.Aq..soln..
(BRB,.AmB);.Comp..with.PtE,.GCE;.Eld..
conf.:.std..CPE(s),.μE;.Elchem..tech.:.CV,.
LSV,.PS,.CP

[9,42,47,641]

Miscellaneous (2) :
triphenylmethane.dyes.(e.g.,. Crystal
Violet ,. Malachite Green) ;.
dihydroxyphenylethanol.(DHPE);.
dihydroxyphenylglycol.(DHPG);.
3-methoxy-4-hydroxyphenylethanol.
(MH-PE);.3-methoxy-4-hydroxy-
phenylglycol.(MHPG);.ferrocene.
(Fc/Fc + .redox.pair)

Anodic.oxidations;.follow-up.reactions.
(e.g.,.hydrolysis,.intramolecular.r.);.
St..of.various.intermediates;.Eval..of.
E P (1/2) ;.Comp..with.PtE;.Eld..conf.:.
std..CPE,.RDE,.CMCPE;.Elchem..
tech.:.CV,.LSV,.PS

[15,47,2010,2011]

Remarks: . (a).The.individual.compounds,.the.respective.abbreviations,.and.classiication.groups.are.given.in.accordance.
with.the.original.papers;.(1).including.BICs.and.(2).in.chronological.order.
Abbreviations and symbols (in alphabetical order): ..AcB,.acetate.buffer;.AcN,.acetonitrile;.AcT,.acetone;.AmB,.ammonia.
buffer;.BRB,. Britton-Robinson .buffer(s);.conf.,.coniguration(s);.aq.,.aqueous;.CA,.chronoamperometry;.Comp.,.
comparison(s);. COU,. coulometry;. CP,. chronopotentiometry;. CPE,. carbon. paste. electrode;. CMCPE,. chemically.
modiied.carbon.paste.electrode;.CV,.cyclic.voltammetry;.DME,.dropping.mercury.electrode;.DMSO,.dimethyl-
sulfoxide;. D x ,. diffusion. coeficient(s);. e.g.,. for. example;. EL,. electrochemistry;. ef.,. effect(s);. Elchem.,. electro-
chemical;. Eld,. electrode;. E P ,. peak. potential;. E P (1/2) ,. half-peak. potential;. EPR,. electron. paramagnetic. resonance;.
ESR,.electron.spin.resonance;.Eval.,.evaluation;.Exp.,.experiment(s);.GCE,.glassy.carbon.electrode;. k 0 ,.rate.con-
stant;.M,.mol.L −1 ;.MeOH,.methanol;.MS,.mass.spectrometry;.NMR,.nuclear.magnetic.resonance;.LSV,.potential.
scan.(sweep).voltammetry;.pH,.measure.of.acidity,.−log.a(H + );.PLC,.propylene.carbonate;.PS,.potential.stepping.
(voltammetry);. PtE,. platinum. electrode;. r.,. reaction;. RCCP,. reverse. current. chronopotentiometry;. RDE,. rotated.
disc. electrode;. RRDE,. rotated. ring-disc. electrode;. RWE,. rotating. wheel. electrode;. SCE,. (reference). saturated.
electrode;.soln.,.solution(s);.St.,.study/studies;.std.,.standard.(normal);.tech.,.technique(s);.TLC,.thin-layer.chro-
matography;.UV/VIS,.spectrophotometry.(in.ultraviolet.and.visible.spectrum.region);.V,.volt.;. z ,.the.number.of.
electrons;.μE,.microelectrode.

of.aromatic.systems,.namely,.four.major.groups:.(i).aromatic.amines,.(ii).phenolic.compounds.(substi-
tuted.hydroquinones.and.catechols),.(iii).aminophenols,.and.(iv).catecholamines.(aromatic.compounds.
combining.the.structure.of.a.catechol.with.a.fragment.of.amino.acid)..Of.comparable.interest.were.
also.(v).imines,.(vi).quinone.imines,.(vii).quinones,.and.(viii).related.structures,.as.the.individual.oxi-
dation.forms,.intermediates,.or.the.subsequent.hydrolyzation.or.hydroxylation.products.

7.1.2 a daMs ' s i nVesTigaTion oF a roMaTiC C oMpounds
Even.from.the.aforementioned.brief.listing—and.when.considering.that.the.respective.activities.
had.covered.more.than.50.different.substances—it.is.practically.impossible.to.describe.compre-
hensively.all.the.individual.observations.and.results.as.well.as.all.the.nuances.from.measurements.