Journal of The Electrochemical Society,
Год журнала:
2024,
Номер
171(11), С. 117511 - 117511
Опубликована: Окт. 30, 2024
Phenolic
compounds,
as
highly
toxic
pollutants,
can
cause
great
harm
to
human
beings
and
the
environment
even
at
very
low
concentrations.
Therefore,
simultaneous
detection
of
multiple
phenolic
pollutants
is
critically
valuable
for
environmental
monitoring.
Here,
an
electrochemical
sensor
based
on
a
glassy
carbon
electrode
(GCE)
modified
by
nanoporous
gold
(NPG)
was
successfully
developed
determination
including
phenol
(Ph),
hydroquinone
(HQ),
catechol
(CT),
o-nitrophenol
(ONP),
which
realized
not
only
sensitive
individual
each
pollutant
but
also
these
four
pollutants.
For
detection,
limits
Ph,
HQ,
CT,
ONP
were
0.85,
0.17,
0.19,
1.30
μM
well
sensitivities
0.24,
1.17,
1.08,
0.16
μA
−1
cm
−2
,
respectively.
Additionally,
NPG/GCE
exhibited
good
stability
anti-interference
capability.
The
recovery
rates
in
seawater
samples
wastewater
ranged
from
94.64%
105.87%.
These
results
indicated
that
prepared
may
be
ideal
choice
reliable
Sensors,
Год журнала:
2024,
Номер
24(2), С. 705 - 705
Опубликована: Янв. 22, 2024
In
this
study,
we
propose
an
eco-friendly
method
for
synthesizing
cerium
tungstate
nanoparticles
using
hydrothermal
techniques.
We
used
scanning,
transmission
electron
microscopy,
and
X-ray
diffraction
to
analyze
the
morphology
of
synthesized
nanoparticles.
The
results
showed
that
were
uniform
highly
crystalline,
with
a
particle
size
about
50
nm.
electrocatalytic
properties
then
investigated
cyclic
voltammetry
electrochemical
impedance
spectroscopy.
further
develop
sensor
based
on
carbon
paste
electrode
can
detect
hydroquinone.
By
optimizing
differential
pulse
voltammetric
method,
wide
linearity
range
0.4
45
µM
low
detection
limit
0.06
obtained.
developed
also
expressed
excellent
repeatability
(RSD
up
3.8%)
reproducibility
below
5%).
Interferences
had
insignificant
impact
determination
analytes,
making
it
possible
use
monitoring
hydroquinone
concentrations
in
tap
water.
This
study
introduces
new
approach
chemistry
materials
environment
demonstrates
careful
selection
components
lead
horizons
analytical
chemistry.
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(15), С. 6893 - 6901
Опубликована: Янв. 1, 2024
The
environmental
monitoring
of
catechol
through
amperometric
technique
utilizing
an
Fc-BPy/GCE
modified
electrode
without
any
membrane
or
additional
conducting
material.
CrystEngComm,
Год журнала:
2023,
Номер
26(2), С. 215 - 222
Опубликована: Дек. 4, 2023
Hydrogen
(H
2
)
is
deemed
one
of
the
prominent
energy
solutions
21st
century
owing
to
significant
scientific
and
technological
efforts
devoted
realization
a
renewable
carbon-free
H
-based
economy.
