Abstract
Heavy
metal
ions
(HMIs),
particularly
Hg
2+
,
Fe
Pb
and
Cd
are
toxic
to
biological
systems.
These
HMIs
display
a
wide
distribution
in
aqueous
systems,
due
their
bioaccumulation
tendency,
prevalence,
even
at
very
low
concentrations,
results
serious
health
issues
humans.
This
warrants
the
availability
of
easily
affordable,
reliable,
quick,
sensitive
approaches
for
real‐time
monitoring
concentration
environments.
Herein,
we
present
synthesis
novel
hydrazone
functionality‐based
chromogenic
probe
that
ensures
selective
spectrophotometric
sensing
HMIs.
More
specifically,
3‐(2‐(2,4‐dinitrophenyl)
hydrazono)
Penta‐1,4‐diene‐1,5‐diyl)
diphenol
referred
as
HZ
MS
through
two‐step
approach
via
low‐cost
precursors
viz.
Salicaldehyde,
acetone,
2,
4‐dinitrophenyl
hydrazine
(2,
4‐DNP)
is
presented.
The
unique
functionality
as‐synthesized
HZ,
well‐characterized
spectroscopic
approaches,
demonstrated
facilitate
with
detection
limits
0.74
μM,
1.46
0.75
nM
respectively.
Importantly
response
be
nature
HMI,
which
does
ensure
specification
chosen
ability
well
within
ranges
include
WHO‐recommended
safe
concentrations
these
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION),
Год журнала:
2024,
Номер
52(5), С. 100396 - 100396
Опубликована: Май 1, 2024
To
elucidate
the
concentrations
of
heavy
metal
elements
in
commercially
available
electronic
cigarettes
and
improve
quality
assessment.
Inductively
coupled
plasma-mass
spectrometry
(ICP-MS)
to
chemometrics
was
used
determine
Cr,
Ni,
As,
Cd,
Sn,
Sb,
Hg,
Pb
e-liquids
aerosols
derived
from
32
sold
under
six
brand
names.
The
contained:
4.858
274.658
(Cr),
17.292
3068.375
(Ni),
3.217
29.867
(As),
0.225
24.717
(Cd),
0.783
17.042
(Sn),
0.658
36.033
(Sb),
187.592
(Hg),
2.458
17.417
(Pb)
ng·g−1.
aerosol
samples
276.075
3333.175
72.908
1150.183
4.567
86.958
0.400
12.842
1.092
32.142
0.976
10.633
3.483
234.708
27.833
849.100
ng·100
puffs−1.
recovery
metals
ranged
99.1%
112.4%
87.3%
116.6%
aerosols,
with
RSD
values
below
10%.
Hierarchical
cluster
analysis
grouped
into
eight
clusters,
five,
indicating
differences
between
products
within
brands
different
brands.
Orthogonal
partial
least
squares
discriminant
variable
importance
projection
(VIP
>
1)
identified
As
Sb
as
primary
causing
e-liquids,
while
were
caused
by
Pb,
Cr.
use
chemometric
methods
yields
a
greater
depth
information
that
will
support
improvements
control
e-cigarette
assessment
their
potential
risk
human
health.
