Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 11, 2024
Capacitive
deionization
(CDI)
technology
holds
immense
promise
for
the
effective
removal
of
copper
ions
from
solution
medium.
However,
widespread
application
CDI
is
hindered
by
limitations
arising
electrode
formation
process,
which
impacts
electrode's
mass
transfer
and
adsorption
performance.
In
pursuit
refining
this
study
employs
a
one-step
simultaneous
electrospinning
electropolymerization
method
to
fabricate
PPy/C-HCPs
composite
electrodes.
The
results
indicate
that
fabricated
possesses
high
specific
surface
area
458.98
m2/g,
1.83
times
prepared
using
traditional
electrodeposition
(251.26
m2/g).
Furthermore,
maximum
capacity
Cu2+
reaches
82.83
mg/g,
marking
2.19-fold
enhancement
compared
electrodes
through
same
process
(37.81
mg/g).
Moreover,
even
after
1000
repetitive
scans,
exhibits
exceptional
cyclic
stability,
with
only
marginal
1.42%
decrease
in
capacitance.
This
introduces
streamlined
preparation
high-performance
materials,
providing
foundation
shaping
applications
polypyrrole
electrode.
Additionally,
it
presents
distinctive
approach
supercapacitors,
offering
unique
perspective
field.
Abstract
A
polypyrrole‐graphene
oxide
(PPy/GO)
nanocomposite
was
made
chemically
using
a
polymerization
method
in
deep
eutectic
solvents
up
of
choline
chloride
and
propionic
acid
1:2
molar
ratio.
The
purpose
this
study
is
to
examine
the
feasibility
efficacy
PPy/GO
detection
metronidazole
pharmaceutical
formulations
utilizing
spectrofluorometric
techniques.
Characterization
synthesized
conducted
several
methods
such
as
transmission
electron
microscopy
(TEM),
scanning
(SEM),
Fourier‐transform
infrared
spectroscopy
(FTIR),
thermal
gravimetric
analysis
(TGA),
X‐ray
diffraction
(XRD).
optimal
parameters
pH
buffer
solution,
potential
interferences,
reaction
duration,
concentrations
metronidazole,
interference,
test
real
sample
were
examined.
Under
established
ideal
conditions,
curve
calibration
exhibited
linear
range
0.3–20
µg/mL,
with
correlation
coefficient
(R
2
)
0.98712.
limit
(LOD)
0.09
while
quantification
(LOQ)
0.29
µg/mL.
relative
standard
deviation
(RSD)
readings
for
five
replicates
three
solutions
(0.3,
10,
or
20
µg/mL)
assessed,
yielding
RSD
percentages
ranging
from
1.29%
2.34%
error
−3.33%
1.20%,
thereby
demonstrating
method's
precision
accuracy.
This
provides
viable
useful
way
detect
samples.
Moreover,
data
indicate
that
may
constitute
novel
category
fluorescence
quenching
reagent
medicinal
applications.
approach
effective
regular
quality
control
assays
because
its
freedom
interferences.
Applied Water Science,
Год журнала:
2025,
Номер
15(5)
Опубликована: Апрель 29, 2025
Abstract
Increasing
the
adsorption
efficiency
of
feldspar
is
main
target
this
study.
This
was
achieved
by
synthesizing
new
composite
from
and
nanosized
MnO
2
immersion
natural
in
green-synthesized
.
characterized
confirmed
X-ray
diffraction
(XRD),
transmission
electron
microscope
(TEM),
Fourier
transform
infrared
(FTIR)
specific
surface
area
Brunauer–Emmett–Teller
(BET).
Rietveld
XRD
showed
that
ratio
percentage
feldspar,
,
61.7
38.3
which
very
close
to
intended
60:40,
respectively.
TEM
clearly
were
distributed
on
among
big
particles
increased
as
estimated
BET
measurements.
The
capacity
Pb
2+
Cd
ions
unique
feldspar/MnO
(FLS/MnO
)
carried
out
using
batch
experiments
explore
influence
contact
time,
initial
metals
concentrations,
pH,
temperature
adsorbent
dose
removal
these
ions.
study
succeeded
synthesize
hence
enrich
simple
technique
be
99%
98%,
for
ions,
