A systematic review of methods for the analysis of total per- and polyfluoroalkyl substances (PFAS)
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
967, P. 178644 - 178644
Published: Feb. 12, 2025
This
manuscript
systematically
reviews
156
peer-reviewed
articles
on
methods
for
estimating
total
per-
and
polyfluoroalkyl
substances
(PFAS),
following
preferred
reporting
items
systematic
meta-analyses
(PRISMA)
guidelines.
Direct
indirect
of
PFAS
include
targeted
analysis,
fluorine
(TF),
organic
(TOF),
extractable
(EOF),
absorbable
(AOF),
oxidizable
precursor
(TOP)
assay.
Combustion
ion
chromatography
(CIC)
was
the
most
utilized
method
(>50%),
followed
by
particle-induced
gamma-ray
emission
(PIGE,
9%)
high-resolution-continuum
source
graphite
furnace
molecular
absorption
spectrometry
(HR-CS-GFMAS,
6%).
Techniques
like
instrumental
neutron
activation
analysis
(INAA)
nuclear
magnetic
resonance
(NMR)
were
less
common.
A
geographic
bias
evident,
with
69%
studies
from
US
(33%),
Sweden
(12%),
China
Germany
(11%).
Most
research
environmental
samples
(water,
soil,
sediments),
while
significant
data
gaps
noted
in
South
America,
Africa,
atmospheric
PFAS.
Challenges
inter-laboratory
comparisons
arise
inconsistent
units
(e.g.,
mg/L,
μg/m3,
%,
etc.).
About
75%
involved
pre-treatment
solvent
extraction,
sorbents),
25%
did
not.
detection
limit
observed
concentrations
varied
widely,
low
water
(ng/L)
to
higher
levels
biota,
products
(mg/L).
Limitations
contradictory
results
when
complementary
techniques
are
applied
same
sample,
potentially
leading
over-
or
under-estimation.
Across
studies,
a
substantial
fraction
TF
remains
unaccounted
for,
highlighting
need
non-targeted
screening
(NTS)
identify
unknown
(UPFAS
UOPFAS).
Bridging
these
is
critical
advancing
risk
assessment.
Language: Английский
Defluorination and derivatization of fluoropolymers for determination of total organic fluorine in polyolefin resins by gas chromatography
Yujuan Hua,
No information about this author
Peilin Yang,
No information about this author
Tianzi Huang
No information about this author
et al.
Analytical Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
study
presents
a
practical
approach
for
determining
total
organic
fluorine
in
polyolefin
resins
through
chemical
defluorination
of
fluoropolymers,
followed
by
derivatization-gas
chromatography.
Language: Английский
µ-X-ray Fluorescence (XRF) and Fluorine K-edge µ-X-ray Absorption Near-edge structure (XANES) spectroscopy for detection of PFAS distribution in the impacted concrete
Journal of Hazardous Materials Letters,
Journal Year:
2024,
Volume and Issue:
5, P. 100134 - 100134
Published: Nov. 1, 2024
Language: Английский
Bibliometric Analysis of Per- and Polyfluoroalkyl Substances (PFASs) from 2000 to 2023 Based on Web of Science Database
Zixuan Yin,
No information about this author
Li Cui,
No information about this author
Xingyang Li
No information about this author
et al.
Water,
Journal Year:
2024,
Volume and Issue:
17(1), P. 6 - 6
Published: Dec. 24, 2024
Perfluorinated
and
polyfluoroalkyl
substances
(PFASs)
have
been
extensively
used
in
many
fields
since
the
1950s
due
to
their
distinctive
chemical
stability.
PFASs
are
becoming
emerging
pollutants,
they
attracted
special
attention
all
over
world
because
of
environmental
persistence,
bioaccumulation,
potential
toxicity.
Through
bibliometric
analysis,
this
study
provides
a
visual
analysis
6055
articles
about
Web
Science
database
from
2000
2023.
Research
on
can
be
divided
into
two
stages,
2000–2014
2015–2023,
number
publications
frequency
citations
increase
rapidly
latter
stage.
Studies
highly
interdisciplinary,
mainly
focusing
cluster
ecological
environmental,
involving
science,
engineering,
toxicology.
The
authors
come
106
countries,
with
United
States
China
being
most
productive
contributors.
However,
has
relatively
low
per
article.
A
total
2634
institutions
participated
studies,
USA
outstanding.
An
author
cooperation
shows
that
lead
publication
output
research
activity.
Some
Chinese
rank
among
top
contributors,
but
there
is
need
for
stronger
international
cooperation.
Keyword
clusters
burst
reveal
key
areas
PFASs,
including
classification,
behavior,
health
effects,
removal
methods.
This
comprehensive
perspective
offering
valuable
insights
trends
serving
as
critical
reference
future
research,
policy
development,
technological
innovation.
Language: Английский