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12
Organic Sample
Preparation
Organic analyses are often employed for perpetrator, route, or explosives information
i
n
n
uclear
f
orensic
i
nvestigations.
T
he
m
ost
v
ersatile
a
nd
e
ffective
i
nstrumental
t
ech-
nique
f
or
t
hese
a
pplications
i
s
g
as
c
hromatography–mass
s
pectrometry
(
GC–MS),
a
nd
c
onsequently,
s
ample
p
retreatment
a
nd
p
reparation
f
or
c
hromatography
a
re
c
en-
tral
t
o
t
he
e
xperimental
p
rotocols.
S
tandard
a
nalytical
t
actics,
s
uch
a
s
w
eighing,
p
H
adjustment, sonication, dilution, centrifugation, evaporation, and ltration, are exten-
sively
a
pplied
f
or
o
rganic
s
ample
p
rep.
A r
esult
o
f
m
any
o
f
t
hese
t
echniques
i
s
t
he
c
oncentration
o
f
d
iagnostic ...