LIBS to sample by
technique. varying la
200 μm d process of
carried ou Sample-1;
by heating Sample-4;
MAT
The m characteris
solubility sodium hy
grade and
b. Prep
The ch by dissolv
1 acetic for 8 hou
solution. T plate and d
membrane 1 sodiu
uncharged 3 times
hydroxide membrane
In this been treat
control w ppm dropp
naturally ppm dropp
adsorption membrane
ppm ads membrane
filtration adsorption
o resolve filtr y chitosan bio
Depth profile ser energy from
depth. Various f Ag solution
ut i.e. control w natural adsorp
g as Sample-3 and adsorption
TERIALS A a. Ma
materials used a stics i.e. 87,9
in acetic acid ydroxide p.a. A
were used with
paration of C
hitosan solution ving 10 g of chi
acid solution urs at room te
The dope soluti dried at room t
e was in the NH um hydroxide
d amino form, w to eliminate
, then dried e was around 2
c. Membr
study, the chi ted in 5 diffe
without treatm ped on the me
natural adsorp ped on the mem
n by heatin e to 35°C the
sorption after e exposed to A
method with n with pressure
ration process omembrane us
e analysis wa m 80 to 160 m
s methods of in the membr
without treatm ption as Samp
3; adsorption a n with pressure
AND METH aterials
are Chitosan p deacetylate
is 99,4; ace All reagents we
hout further pu
Chitosan M
n of 4 wv w itosan powder
n. The mixture emperature to
ion was poured temperature for
H
3 +
form. It w e solution to
washed with di the excess
d.The thickne 36 μm.
ane Treatm
itosan biomem erent ways i.e
ment, Sample- embrane and a
ption, Sample mbrane and he
ng, Sample-4 n dropped wi
heating, and Ag 1000 ppm
h pressure e.
s of Ag liqui sing pressurize
s conducted b mJ each for 20 t
f the adsorptio ranes were als
ment is called a ple-2; adsorptio
after heating a e as Sample-5.
HODS
powder with ed and their
etic acid and ere analytical
urification.
Membrane
was prepared in 250 ml of
e was stirred obtain dope
d into a glass r 6 days. The
was dipped in o reach the
istilled water of sodium
ess of the
ments
mbranes have e. Sample-1:
2: Ag 1000 allow to dry
e-3: Ag 1000 eated to 35°C
4: heat the ith Ag 1000
d Sample-5: m solution by
~ 50 kPa id
ed by
to on
so as
on as
Las to prob
treated the sur
uses N pulse
2500 s of the
resolut elemen
14336 by OO
the mo
In t 4 puls
unnece employ
mJ. Th measu
was pl point a
used i represe
Emissi one of
analyz
Fig and p
Samp range
328 n emissi
the co there i
FIGUR pressur
scanned 329 nm
d. Laser-In Spect
