Tandem quadrupole inductively coupled plasma mass spectrometry for the quantitative and isotopic analysis of rare earth elements and radionuclides
Journal of Analytical Atomic Spectrometry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
review
covers
advances
and
applications
of
ICP-QMS/QMS
in
the
analysis
rare
earth
elements
radionuclides.
Specifical
attention
was
paid
to
strategies
for
separating
spectral
interferences.
Язык: Английский
Innovative ICP-MS/MS Method To Determine the 135Cs/137Cs Ratio in Low Activity Environmental Samples
Analytical Chemistry,
Год журнала:
2023,
Номер
95(17), С. 6923 - 6930
Опубликована: Апрель 18, 2023
The
135Cs/137Cs
isotopic
ratio
is
a
powerful
tool
for
tracing
the
origin
of
radioactive
contamination.
Since
Fukushima
accident,
this
has
been
measured
by
mass
spectrometry
in
several
highly
contaminated
environmental
matrices
mainly
collected
near
nuclear
accident
exclusion
zones
and
former
test
areas.
However,
few
data
were
reported
at
137Cs
levels
(<1
kBq
kg-1).
This
explained
occurrence
analytical
challenges
related
to
very
low
radiocesium
content
level
with
large
presence
interferences,
making
135Cs
measurements
difficult.
To
overcome
these
difficulties,
selective
procedure
Cs
extraction/separation
combined
an
efficient
measurement
must
be
applied
on
quantity
ca.
100
g
soil.
In
current
research,
innovative
inductively
coupled
plasma-tandem
(ICP-MS/MS)
method
developed
activity
samples.
use
ICP-MS/MS
led
suppression
interferences
introducing
N2O,
He,
and,
first
time,
NH3,
into
collision-reaction
cell.
By
adjusting
flow
rates
gases,
best
compromise
between
maximum
signal
effective
interference
elimination
was
achieved
allowing
high
sensitivity
more
than
1.105
cps/(ng
g-1)
background
m/z
135
137
lower
0.6
cps.
accuracy
successfully
verified
analyzing
two
certified
reference
materials
(IAEA-330
IAEA-375)
commonly
used
literature
as
validation
samples
three
sediment
Niida
River
catchment
(Japan)
impacted
fallout.
Язык: Английский
Identification of the origin of radiocesium released into the environment in areas remote from nuclear accident and military test sites using the 135Cs/137Cs isotopic signature
Anaëlle Magré,
B. Boulet,
A. de Vismes
и другие.
Environmental Pollution,
Год журнала:
2023,
Номер
329, С. 121606 - 121606
Опубликована: Апрель 20, 2023
Язык: Английский
Investigation of the Segregation of Radiocesium from Contaminated Aqueous Waste Using AMP-PAN Extraction Chromatography
Energies,
Год журнала:
2023,
Номер
16(18), С. 6544 - 6544
Опубликована: Сен. 12, 2023
Removing
the
hazardous
and
unstable
radioactive
isotopes
has
been
considered
an
arduous
task,
though
they
are
in
minimal
concentrations.
Cesium-137
(137Cs+)
is
a
primary
fission
product
produced
by
nuclear
processes.
Even
at
low
concentrations,
such
material
menacing
source
of
contaminants
for
environment.
The
current
study
aims
to
separate
137Cs+
from
real
contaminated
aqueous
solution
via
ion
exchange
mechanism
using
ammonium
molybdophosphate–polyacrylonitrile
(AMP-PAN)
resin
loaded
extraction
chromatographic
column
that
possesses
considerable
selectivity
toward
cesium
(Cs+)
due
specific
between
NH4+.
Additionally,
proposed
interaction
with
APM-PAN
illustrated
this
study.
results
disclosed
optimum
efficient
removal
(91.188%)
was
obtained
AMP-PAN
2
g·L−1,
while
distribution
adsorption
coefficient
(129.359
mL·g−1)
pH
6.
isothermal
process
testified
through
Langmuir
Freundlich
models.
estimated
maximum
capacity
reached
140.81
±
21.3
mg·g−1
isotherm
model.
Finally,
could
eliminate
water
effectively
adsorption.
Язык: Английский