Langmuir,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 6, 2024
Canavalia
gladiata
leaf
extract
(CGLE)
is
extracted
from
crop
waste
employing
a
water
decoction
method.
By
electrochemical
techniques,
morphology
analysis,
quantum
chemical
calculations,
and
other
methods,
we
extensively
investigated
the
anticorrosion
efficacy
of
CGLE
on
copper
within
H2SO4
solution.
The
outcomes
reveal
that
at
298
K,
concentration
800
mg/L
attains
remarkable
inhibition
efficiency
(IE)
96.8%.
Additionally,
examined
impact
corrosion
resistance
varying
temperatures.
Even
with
rising
temperatures,
manages
to
sustain
an
IE
over
95%.
This
indicates
mainly
chemisorption
based
copper,
leading
strong
adsorption.
surface
test
results
show
noteworthy
decrease
in
extent
upon
introduction
CGLE.
study
adsorption
model
demonstrates
alignment
onto
Langmuir
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(18), P. 9543 - 9555
Published: April 23, 2024
Corrosion
protection
of
metal
has
become
an
important
and
urgent
topic,
which
requires
the
development
inexpensive,
environmentally
friendly,
highly
efficient
corrosion
inhibitor.
Herein,
a
sweet
potato
leaf
extract
(SPL)
was
obtained
by
simple
water-based
extraction
method
then
as
green
inhibitor
for
6N01
Al
alloy
in
seawater
well
investigated
weight
loss
various
electrochemical
tests.
Fourier
transform
infrared
(FT-IR)
ultraviolet-visible
(UV-vis)
spectroscopies
were
carried
out
to
investigate
compositions
SPL.
The
findings
from
potentiodynamic
polarization
(PDP)
curves
suggest
that
SPL
functions
typical
mixed-type
Notably,
maximum
inhibition
efficiency
reaches
94.6%
following
36
h
immersion
period
at
25
°C.
adsorption
behavior
on
surface
belongs
Langmuir
isotherm.
Gibbs
free
energy
value
illustrates
contains
both
physisorption
chemisorption.
Scanning
electron
microscopy
(SEM)
X-ray
photoelectron
spectroscopy
(XPS)
indicate
is
firmly
attached
making
protective
layer,
can
effectively
inhibit
seawater.
Furthermore,
quantum
chemical
calculations
applied
validate
elucidate
relationship
between
electronic
structure
active
components
their
effectiveness
inhibition.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2021,
Volume and Issue:
9
Published: Dec. 24, 2021
The
parsley
extract
(PLE)
was
prepared
using
absolute
ethyl
alcohol.
PLE
and
synergistic
iodide
were
firstly
utilized
as
efficacious
corrosion
inhibitors
to
slow
down
the
rate
of
carbon
steel-Q235
in
0.5
mol/L
H
2
SO
4
solution.
anti-corrosion
performance
researched
by
weight
loss
method,
electrochemical
tests,
surface
analysis
quantum
chemistry
calculation.
Results
tests
show
that
synergetic
I
−
exhibit
optimal
inhibition
efficiency
99%.
combined
inhibitor
displays
favorable
long-term
effect,
can
maintain
more
than
90%
after
144
h
immersion.
introduction
makes
steel
with
higher
negative
charge
amount,
which
could
be
beneficial
interaction
between
Fe
atoms.
adsorption
behavior
obeys
Langmuir
isotherm
adsorption,
involves
chemical
physical
adsorption.
On
basis
consequences
theoretical
calculation,
process
mechanisms
are
further
explored.
Journal of Taibah University for Science,
Journal Year:
2023,
Volume and Issue:
17(1)
Published: Aug. 18, 2023
Waste
matter
is
an
abundant
source
of
recyclable
materials.
This
study
presented
the
corrosion
inhibitor
role
unripe
banana
peel
extract
(UBPE)
for
carbon
steel
in
acidic
environments:
1.0
M
HCl,
0.5
H2SO4,
and
HCl/0.25
H2SO4.
The
aim
was
to
demonstrate
robustness
HCl-UBPE-steel
system
with
respect
competing
ions
solution,
as
such,
generalizing
its
mechanism.
localized
general
their
theoretical
midpoint
were,
respectively,
subjected
95.91%,
83.33%,
91.50%
inhibition
efficiency
when
UBPE
added
at
3000
ppm.
A
protective
film
on
surface
found
cause
by
electrochemical
characterizations
behavior
explained
via
protonation
rust
formation
undering
varying
acid
conditions.
Therefore,
work
suggests
strongly
conditions
containing
chloride
sulfate
ions.Highlights
Unripe
–
water
(UBPWE)
acts
eco-friendly
effective
aggressively
environments.Carbon
exhibits
more
HCl
but
H2SO4
condition.UBPWE
performed
95.91,
83.33,
mixed
conditions.The
performance
assigned
presence
a
layer
surface.
Langmuir,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 6, 2024
Canavalia
gladiata
leaf
extract
(CGLE)
is
extracted
from
crop
waste
employing
a
water
decoction
method.
By
electrochemical
techniques,
morphology
analysis,
quantum
chemical
calculations,
and
other
methods,
we
extensively
investigated
the
anticorrosion
efficacy
of
CGLE
on
copper
within
H2SO4
solution.
The
outcomes
reveal
that
at
298
K,
concentration
800
mg/L
attains
remarkable
inhibition
efficiency
(IE)
96.8%.
Additionally,
examined
impact
corrosion
resistance
varying
temperatures.
Even
with
rising
temperatures,
manages
to
sustain
an
IE
over
95%.
This
indicates
mainly
chemisorption
based
copper,
leading
strong
adsorption.
surface
test
results
show
noteworthy
decrease
in
extent
upon
introduction
CGLE.
study
adsorption
model
demonstrates
alignment
onto
Langmuir
