P Srinival
Mtaltuqap hy
tonal
lab
31q10
fxam.
2 10 3
2/u Mt allorq {
Pure Aluminium
**
Aim
To
determine
APParatus
the
micro 8tho cture o
Glanrame box, .
7% and o
Emery papes, Disc
PoliSher, micro stopt dri
Materiau kiquirtd
tchingReogent
Pro
a Spcei murn. a
Sand
Mow
take
Singlt
purt aluminivm and
o
a
dicee tion
in
untit
On
Potish
2/otmey
the
Poli sh the
Seratche
rt
Sp eeim
io
nemo ved
and
Sampte
hrouqh
Paper
t
an anqie o 0 and
the 4inu
aptar
o
Sinqle diection.
Agoin
otish i
for
ôn bett
direc tion
the
iton
au
polish if
inet.
fmryPaper an d
No.olale
6ne
Taqent
umov
to
inc aPP ear
3
Pore Awminium
dvre'
Talt
a
ClltrS
tos
o
peime
1otalt t
do
3/%
forther ine
Can b i s
Sampihrough an anq
o
0o
qnd
mry Paptt
and
poli shid
Ctcar
On a dist
Sor face finih, the
Poti sher
Sampe
Pore Alominium
**
Magni
cahion
too
lo
the Sampi
Then
Then
appy t h
ah
diy th
is Uathed with watt
fichinq
mi Cro
th
t a g e n t , i i.t.,
dried.
Cetl ers
eageni and
Samptt aqain
Nos, Vitw th Samp
to
and
Ond mitio Stopt
and
-cus
the imad
Strucuru
Prtauiont
S p e t i m u n Sho otd be polished On
ettton
At
bypPying
the
dist
a l prctor
poti shing
Sampu, au it atrat
mery
is don
Poper, only in n t
On al
Lle
Sidtu
Shootd n't touth the
ing erprintf
Shoutd be
the etchen{
Ovt lthing Shoutd be avoded, and
Cad tunty thro uqh Out th Soreacc otht Sampu
Re Sut
Th
dit.
mitro structot o
Por
alumi nium is 8bstrved:
spt