Chemistry Reference
In-Depth Information
NH
4
+
C/Nj.(Cu−ex-Ze)
AD,.FIA-EC
accum..by.the.
electrostatic.
interaction/ion.
exchange;.equivalent.
to.NH
4
+
-conc.
2.×.10
−5
−1.×.10
−3
.M.
(5.×.10
−6
.M)
Groundwater.
(synth..s.)
modif.:.Cu(II)-exchanged.
Clino-ptilolite
.
(of.the.nat..zeolite.type);.indirect.
amperometric.detection
[1135]
NH
4
+
C/PO.(+NH
4
HPO
4
/
SiO
2
.+.SnO
2
)
POT.
(dir.,titr.)
Chemical.reaction.
involv.:.NH
4
+
(soln.).
↔.NH
4
+
(bulk)
Equilibrium.potential
8.×.10
−7
−0.04.M.(2.×.
10
−7
.M,.60.s)
Natural.waters
modif.:.prepared.by.the.sol-gel.
procedure;.evaln..of.coeff..
k
i
POT
;.
sub-Nerstian.response.for.CP-ISE
[2374]
NH
2
OH, NH
3
+
OH
NH
2
OH
C/PO.(Pd-powder)
FIA-EC
Electrocatalytic.effect.
of.modif.;.el..oxidn.
0.1-10.ng.(abs.).
(20.pg)
River.water
Pd-powder.dispersed.in.the.bulk.and.
activated.by.potential.cycling
[1269]
NH
2
OH,.
N
2
H
4
C/PO.(coumestan)
CV,.BA.DPV
Electrocatalytic.
oxidation.of.N
−II/−I
.
via.modif..effect
0.2-15.mM.NH
2
OH.
(−)
Model.solns.
Mechanism,.reaction.kinetics,.catalytic,.
and.activity.(y
±
).aspects.studied.and.
evaluated
[2375]
N
2
H
4
, N
2
H
5
+
N
2
H
4
C/Nj.(Ti-SiO
2
.+.
Ni-SPC)
LSV
Electrocatalytic.effect.
of.modif.;.el..oxidn.
1.×.10
−4
-6.×.10
−4
.M.
(1.×.10
−5
.M)
Aqueous.solns..
(pH.7)
modif.:.titanised.silicagel.+.Ni
II
-
tetrasulfonated.phthalocyanine
[1180]
N
2
H
4
C/PO.(Co
II,III
-compl.)
CV,.LSCP
electrocatalytic.effect
E
.vs..
t
.detc.
(1.5-2.mM)
Model.solns.
modifs.:.Co
II,III
-8-hydroxyquinolinate,.
Co
III
-diethylthiocarbamate
[2376]
N
2
H
4
C/PO.(S
Wy
+.
Cu-TPP)
LSV,.
FIA-EC
Electrocatalytic.effect.
of.modif.;.el..oxidn.
5.×.10
−6
-6.×.10
−5
.Μ
Model.solns.
modif.:.Cu
I
-tetraphenylporphyrin,.S
Wy
:.
sodium.zeolite
[1113,.
1123]
N
2
H
4
C/PO.(Nb-SiO.+.
H
2
TCPP)
CV,.FIA
Electrocatalytic.effect.
of.modif.;.el..oxidn.
1.×.10
−5
-5.×.10
−4
.Μ
Aqueous.solns..
(pH.7)
modif.:.meso-
tetracarboxyphenylporphyrin.+.
Nb2O5-grafted.silica
[2377]
N
2
H
4
C/PO.(+SX-pol.).
(Fe
III
-tSPhP/SiAl)
CV,.CA
Electrocatalytic.effect.
of.modif.;.el..oxidn.
5.×.10
−5
-6.×.10
−4
.M.
(3.×.10
−5
.M,.−)
Model.solns.
tSPhP:.2,6-diluoro-3-sulfonatophenyl)
porphyrinate.immobilized.on.SiO
2
/
Al
2
O
3
.in.siloxan.polymer
[1823]
(
continued
)
Search WWH ::
Custom Search