classMate

Date

Jaes 11-Adborpkon and Goliady

Adyorption - TH heta
whih cto, moleeuley
entr Some bulk phate

Deyorphon
pocen of xeoval Qdsorbed
ce fen
substante whihi
adovybed called desorpfion

Sorphon- Whn both adorpkon and

absorphon
Sovpkon
OCUY
siwaltocgu
Phyical Adsovpkon -
adorbent is acumulokd
at tue solîd accout
weat der waals
tmed phyical adevpkon
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Chemical
when Adoxbon
Hhe moteuley acmulale at
suface of a solid adyorbaa vmean
of hemical bonds caled
chemical Adeorp kon /anenisorpkon
fatos akhing adaopkon of ges
(O Nahe of adovbate - The
adovbed a sotid dend ue
natue iofgo
Nan of adyorben Substomcy whih poide
targe sufaa ara effeetiv adsovbent
Suyfau Area of adyorbeut The extut of
adsorpkon iuecare wih Ruycaye
aya of adoorbent
Tue anont of adobed
Temperade invexsely psaporibval to
tomperah.
At fmperohy
adsorbed wih
extut of
presr.
 Cotton chocoal. iaditd
honf
wot aid aet Adsorphon
of
surface
bulk
onifom iaksorbot
is atony high adsovbola
is
Concanhahion
he of
pYepwe tmprahe
and
deandeut
sufae.
at ay we0s.'
distiburd He unifowaly aniratel Con
Absovoed motter
is Adeoybeo
bsorptin Adoovphon
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* Adsovpkon Tsothema
vdasonsi beeen amont of
SubslonCe adsorbed
acorb and te equilibivm prese OY

Conhaion at given eowtanttmperah

Called adiovphiom Tsothem

Agplicaioj of Adsorphion
Catalysis
Contol of Hoidity
Prodacion off tigh vaccum
Adeopkonm indicatoy
Sepuationof inert
Froth floatoionfron
Chomatogyafhl analyais
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Codobypis
tA Subirance which
whih when added to a
Sysh inecosy eri Yote ot
yeachng
witioit telf bunderpoing
bundeqoing
penanet cheica chouge
tomoq eaeovs Cotalyi
when Hhe"yeartnts
in He Somephose it Sad to
be homogtouj Cott
catodyis
Hekeyogsatouj (otslyii
when reachan CoBalyal
a dfaeut phoe sàd to'
be heeo gueeay Cotatyis
of
otion Product QeJoxphon
intmidiat
Diffosion
shon bre co ovea sface
caayt (eou duct Rro cotolyr
frsm producto Desorphion
of
Yeactan pvodts Fommoion
ofo
iutmediat
of
fomaton Cotabysk
and of
vtacion cheial OcwvencA 3
e Catalyst
he Adsoyplko
Ytactat
hue cotalyt surjae
of
rdstu
veadanh tahon
0ifusionf
st fe Fuvote mehoim The
colyií= koyeuod ofTheor Adaorphon
Yaio chemica of
rat They
eceo Subsances
Paae
Date
clhssMAte
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Lmgortent feoked sf 3olid cata

Ackvity
The actiihj degends cotalyat
Shenglh lergs
veactont motees án shongly adorbed
sorfate of solid cotalyat, the
A
ctolyat Soad to be. Q've

Sme sold cotolynh seleci in

thir Qcion he Sae
SaeGayeou Yêatont
Procuee diffecnt pvodwct when
Cakdyah
3
Shope Selechie cotadyi) by zeolts
arc alumino SIRcaty wih thee
oimensisonel nehuork silicats
Yta chon n zeo lity depaudent
and shopr of yeacant, and
adso pos and (uikes of 2aolity
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Colloidy
A nmber USe
day to colloidy .
miik, butter,
Collotcu heteogeovs mistvy
Componet f cood
the largat papovBovn, is called dispursioy
medin Qnd oher componen
caled dispesed phoye.
* Clasifahon of Colloidy
Cojlotdy art closifed hee way
Cl anifcaton of colloidy 'bayed phyical
state
Baved iturakon
besis f inteYachon
phases coloidal sowion
donifed as yophi liz and lyoholic
yoghiie Coloids - A colloida Sow foyn in
whih partides of d'spersed (haye
hawe for
dispension medivm opilie col oidy
 concmraiimfommig
ne
yoahdin
hiher colotdal ai
elecholgt conewntroahion
nomal oehau
e micelles coloids
CJAs0atd
in of
Se
phose pesed
h d5
molewles Tue Macomoleulr
lid. ewlor wwlBanot ealed atrachon
foee Waads der
winVan
aniheld
portde which im
Cotloida Coloidy Mulhmolewior
Siee TAolewlor Boyed
yophobie 3
medivm dspersicn
y.
for phose
used partides He which
collotdy
toidy
- lie yoho
hon solo oltotdal
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rtponakon of Cotloidy
()Chemial methods double deeomoion,
oxidahsn vedwchon . Molewley
watur
Y
hydoyt
isowble prodw f they e
veaio
aggat togner and fovn solo
(l
Elechical d'intepasy Avc
Mehod
This procey involves vapokeahn wel
condenS aion Couoidál So of metals
SUh gold,. siler platinum Can be
mis imethod
prepored
Peptteatom mispYoeys the
preuipital adjorbs e

dechobyt svface, posihve

OY negahie is. duedoped
which breaky

Smal rorhdes of Coloidal size.

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Puiicakon of cootdal So»hon

Te proces used fo veducng te
amouut impunkies to vequii
minimUm Kmow pui Rcakon of
Colloid ol sowho
be canied.
dialyis mehod.
Diayais a

dsolved substance fem

Collotdad Solvhon
Suttable membae
tigh
Propexties o Calloidal dispersiog
Genwal
Coltoidal
Proporty
consisk
sypkm heto meous
phoes dipesed phae
and dtreson nedivn:
dspesed phase partiley slouly
ponhnent poper antmal
membrone bu eodiy pas thsough
ovdiay paper