International Journal of Corrosion and Scale Inhibition,
Journal Year:
2024,
Volume and Issue:
13(1)
Published: March 30, 2024
Corrosion
control
is
of
paramount
importance
in
the
realm
metals,
and
quest
for
effective
inhibitors
ongoing.This
study
delves
into
potential
corrosion
inhibitory
effect
Nphenyl-N′-[5-phenyl-1,2,4-thiadiazol-3-yl]thiourea
(NPPTT)
on
mild
steel
when
exposed
to
a
corrosive
1
M
HCl
solution.Employing
dual
approach,
we
combine
experimental
weight
loss
techniques
with
Density
Functional
Theory
(DFT)
calculations
comprehensively
analyze
inhibition
efficiency
underlying
molecular
interactions
process.Our
investigation
begins
confirmation
inhibitor's
structural
properties
through
synthesis
characterization
techniques.Subsequently,
assess
capability
by
immersing
samples
aggressive
solution,
both
without
inhibitor.Our
findings
reveal
significant
reduction
rate,
signifying
NPPTT
as
an
inhibitor.At
inhibitor
concentration
0.5
mM
immersion
time
5
hours
at
303
K,
reaches
93.9%.To
unravel
mechanistic
insights
level,
DFT
are
employed.Quantum
chemical
parameters
computed,
shedding
light
how
molecules
interact
surface
combination
electrostatic
interactions,
coordination
bonds,
other
linkages.These
theoretical
corroborate
results,
enhancing
our
comprehension
action.Notably,
adsorption
isotherm
studies
align
Langmuir
model,
further
confirming
adherence
metal
surface.In
summary,
this
combined
explores
corrosive,
acidic
environment.Our
holistic
approach
not
only
validates
The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(25), P. 10682 - 10697
Published: June 13, 2024
MXene
(Ti3C2Tx)
is
a
highly
protective
layered
material,
but
its
utilization
in
solution
medium
to
prevent
metal
corrosion
has
been
very
difficult
due
surface
oxidation.
Thus,
it
was
thought
worthy
investigate
the
role
of
thiourea
modification
for
effective
mitigation
copper
chloride
solution.
This
carried
out
by
incorporation
into
matrix
via
thermal
treatment
introduction
nitrogen,
sulfur,
and
oxygen
functionalities.
N,S
codoped
Ti3C2Tx
characterized
using
advanced
analytical
methods,
followed
appraising
inhibition
efficiency
combined
electrochemical
method.
Results
from
analysis
revealed
that
increasing
concentration
increases
up
91%
at
maximum
inhibitor
100
ppm
compared
pure
MXene.
To
support
experimental
findings,
inter-
intramolecular
modeling
density
functional
theory
molecular
dynamics
simulation
were
gas
solvation
phases.
As
observed
modeling,
shows
flat
adsorption
orientation
with
good
total
coverage.
The
mechanism
attributed
heteroatom
doping
formation
barrier
film
against
permeation
corrosive
species.
study
intends
deepen
functionalization
MXenes
benefit
science
applications
direct
agents.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
10, P. 100805 - 100805
Published: June 24, 2024
[Cu2(EDA)2]
[Cu
(CN)2]
2.H2O]
(MOF1)
and
[H2DB]
[Cu4(CN)6]
2.H2O
(MOF2)
were
synthesized
studied
as
a
corrosion
inhibitor
for
aluminium
(Al)
in
1.0
M
HCl
solution.
The
synthesis
was
done
at
room
temperature
via
chemical
method.
crystals
of
MOF1
MOF2
obtained
after
filtration
coating
with
cold
H2O.
MOF
precipitate
characterized
by
X-ray
diffraction
(XRD)
techniques.
study
aimed
to
evaluate
the
inhibition
efficacy
MOFs
using
mass
loss,
potentiodynamic
polarization,
EIS
electrochemical
impedance
Both
physically
adsorbed
on
surface
acted
mixed-type
inhibitors
affecting
metal
dissolution
hydrogen
evolution
reactions.
conformed
Henry
adsorption
isotherm
model,
indicating
successful
surface.
loss
analysis
(MLA)
results
(298,
308,
318)
K,
polarization
(PP)
spectroscopy
(EIS)
298
K.
Increasing
doses
led
increased
efficiency
(%IE),
corresponding
93
%
91
2.5x10−4M.
Al
surfaces
has
been
calculated
discussed
isotherm.
that
created
showed
great
effectiveness,
noticeable
increase
their
inhibitory
(%IE)
dosage
raised
lowered.
based
curves.
coated
thin
film
inhibitors,
confirming
protective
effect.
A
scanning
electron
microscope
(SEM)
technique
used
morphology
sample
aluminium.
cell
construction
model
density
map
theoretical
calculations.
from
reduction,
techniques
good
agreement,
validating
effectiveness
inhibitors.
