Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5908 - 5908
Published: Dec. 14, 2024
A
convenient,
rapid,
and
environmentally
friendly
method,
emulsive
liquid–liquid
microextraction
combined
with
high-performance
liquid
chromatography,
was
established
to
determine
phthalic
acid
esters
in
tap,
river,
lake,
sea
water.
After
the
method’s
optimization,
we
obtained
appropriate
volume
of
extractant
pure
water,
number
strokes,
separation
methods,
mass
fraction
demulsifier,
demulsifier
volume,
sample
salt
amount,
pH
conditions.
This
method
requires
only
200
μL
heptanoic
(fatty
acid)
as
75
mg
sodium
acetate
demulsifiers
for
fast
separation,
respectively,
avoiding
use
further
equipment.
Emulsive
offers
substantial
advantages
over
dispersive
by
eliminating
need
toxic
dispersants,
thereby
preventing
any
influences
dispersants
on
partition
coefficients.
The
linear
range
detection
ranged
from
0.5
50
μg
L−1,
a
limit
0.2
L−1
quantitation
L−1.
recoveries
80.2%
106.3%,
relative
standard
deviations
between
0.5%
6.7%.
Five
greenness
metrics
confirmed
that
this
is
aligns
principles
green
analytical
chemistry.
proposed
achieved
score
8.42,
surpassing
other
methods
evaluated
using
SPMS.
novel
may
well
be
valuable
technique
determining
water
samples.
