CHEM PRO 12
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Transcript of CHEM PRO 12
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CHEMISTRY
PROJECTSTUDY OF ADULTERANTS IN FOOD
STUFF
Gunjan Ohri
XII A
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LIST OF CONTENTS
Ai!
In"r#$u%"i#n
Thr&"i%a' (a%)*r#un$
C#!!#n a$u'"&ra"&$ +##$ i"&!,
E-.&ri!&n", / 0 1
O2,&r3a"i#n, 0 R&,u'",
A$u'"&ran", 0 Di,&a,&,
Pr&%au"i#n,
G#3&rn!&n" !&a,ur&,
C#n%'u,i#n
(i2'i#*ra.h4
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AC5NO6LEDGEMENT
I 7#u'$ 'i)& "# "a)& "hi, O..#r"uni"4 "# "han) !4
"&a%h&r Mr89ina45u!ar7h#,& un,"in"&$ ,u..#r": *ui$an%& an$ &n%#ura*&!&n" ha,
&na2'&$ !& "# %#!.'&"& "hi, .r#j&%"8 I 7#u'$ a',# 'i)& "#
"han) #ur 'a2 a,,i,"an" +#r h&r C#;#.&ra"i#n8
Aim:
T# ,"u$4 ,#!& #+ "h& %#!!#n +##$ a$u'"&ran", in $i
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INTRODUCTION
A$u'"&ra"i#n i, "h& a%" #+ in"&n"i#na''4 $&2a,in* "h& =ua'i"4
#+ +##$ #
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THEORITICAL (AC5GROUND
6& ar& 3&r4 +#r"una"& "# 2& 2#rn a %#un"r4 7hi%h i, 2'&,,&$
7i"h ri%h ,#i': $i3&r,i@&$ %'i!a"&: !an4 ri3&r, an$ "h& *r&a"
Hi!a'a4a, 7h&r& a'!#," a'' 3ari&"i&, #+ +rui",: 3&*&"a2'&,
an$ %&r&a',: &"%8 %an 2& *r#7n8 In an%i&n" "i!&,: "h& 'an$
7a, in a2un$an%&: "h& ,u..'4 #+ +##$ 7a, !#r& "han "h&
$&!an$ an$ ..'& u,&$ +r&,h +##$ !a"&ria', in !#,"
na"ura' +#r!8 Th& .#.u'a"i#n ,.ur" in #ur %#un"r4 ha, *i3&nri,& "# un&!.'#4!&n" an$ .#3&r"48
Th& $&!an$ +#r +##$ ha, in%r&a,&$ 0 #ur %#un"r4 ha, "#
i!.#r"
+##$ *rain,: #i' &"%8 +r#! #"h&r %#un"ri&,8 Thi, ,h#r"a*& #+ +
##$ an$ i*n#ran%& #+ %#n,u!&r, i, "h& !ain %au,& +#r
a$u'"&ra"i#n #+ +##$,"u
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a$u'"&ra"&$8 Th& %#n,u!&r, ar& n#" a7ar& #+ haar$, #+
a$u'"&ra"i#n an$ .a4 h&a3i'4 +#r %#n,u!in* a$u'"&ra"&$
+##$8 I+ "h& %#n,u!&r )n#7, "h& 7a4, an$ !&an, "# %h&%)
"h& %#!!#$i"i&, #+ $ai'4 u,&: "h&4 %an ,a3& "h&!,&'3&, an$
"h&ir +a!i'i&, +r#! "hi, !in$;2#**'in* .r#2'&!8
SOME OF THE COMMON FOOD ADULTERANTS IN FOOD ITEMS
ARE
FOOD ITEMS ADULTERANTS
D&,i *h&& 0 (u""&r 9ana,.a"i *h&&
9&*&"a2'& *h&& Paran 7a-
Mu,"ar$ #i' Ar*&!#n& #i'
Su*ar Cha') .#7$&r: 7a,hin*.#7$&r
Chi''i R&$ '&a$: (ri%) .#7$&r
Tur!&ri% .#7$&r Y&''#7 ,a'", #+ '&a$: 4&''#7
%ha') .#7$&r
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EXPERIMENT /
AIM T# "&," "h& .r&,&n%& #+ a$u'"&ran" in Fa",:(u""&r 0Oi',8
APPARATUS T&,";"u2&,: 2&a)&r,: "&,";"u2& ,"an$: @'"&r
.a.&r: $r#..&r &"%8
CHEMICALS REUIRED
F#r $&,i *h&& 0 2u""&r %#n%8 HC': ,u*ar: ,!a'' a!#un", #+
3ana,.a"i *h&& #r 2u""&r8
F#r 3&*&"a2'& *h&& %#n%8 A%&"i% anh4$ri$&: ,!a'' a!#un",
#+ 3&*&"a2'& *h&&8
F#r #i' %#n%8 Ni"ri% a%i$: ,!a'' a!#un", #+ &$i2'& #i'8
PROCEDURE
In %a,& #+ #r$inar4 "&," +#r +a",: 2u""&r 0 #i',: .u" a ,!a''
a!#un" #+ "h&,& ,&.ara"&'4 #n a @'"&r .a.&r8 F#'$ i" 0 .r&,,:
"h&n un+#'$ i"8 Th& .r&,&n%& #+ "ran,'u%&n" ,.#" in$i%a"&,
"h& .r&,&n%& #+ #i' #r +a"8 H#'$ "h& @'"&r .a.&r #3&r a!&:
"h& ,.#" *r#7, 'ar*&r8
TEST FOR OILS
Ta)& / !' #+ !u,"ar$ #i' in a "&," "u2& 0 a$$ +&7 $r#., #+
%#n%8 HC' ,#'u"i#n "# i"8 Sha)& "h& !i-"ur& 7&''8 A..&aran%&
#+ r&$ %#'#ur in "h& a%i$ 'a4&r in$i%a"&, "h& .r&,&n%& #+
ar*&!#n& #i' in !u,"ar$ #i'8
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CONCLUSION
A..&aran%& #+ %&r"ain %#'#ur, in "h& !i-"ur& $&"&%", "h&
.r&,&n%& #+ a$u'"&ran",8
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EXPERIMENT 1
AIM
T# "&," "h& .r&,&n%& #+ a$u'"&ran", in Su*ar: Chi''i .#7$&r:
Tur!&ri% .#7$&r 0 P&..&r8
APPARATUS
T&,";"u2&,: 2&a)&r,: "&,";"u2& ,"an$: $r#..&r: *'a,, r#$ &"%8
CHEMICALS REUIRED
F#r ,u*ar $i'8 H1SO: 7a"&r: ,a!.'& #+ ,u*ar8
F#r %hi''i .#7$&r $i'8 HNO: 5I ,#'u"i#n: ,a!.'& #+ %hi''i
.#7$&r8
F#r "ur!&ri% .#7$&r %#n%8 HC': ,a!.'& #+ "ur!&ri% .#7$&r8
F#r .&..&r 7a"&r: ,a!.'& #+ .&..&r8
PROCEDURE
/BT&,", +#r Su*ar
aB Ta)& a ,!a'' a!#un" #+ ,u*ar in a 2&a)&r 0 a$$ ,#!&
a!#un" #+ 7a"&r "# i"8 S"ir "h& ,#'u"i#n 7i"h a *'a,, r#$8
Pur& ,u*ar $i,,#'3&, in "h& 7a"&r 7h&r&a, "h& in,#'u2'&
.ar"i%'&, %hi''i .#7$&r: 7a,hin* .#7$&r &"%8B #a", #n "h&
,ur+a%& in$i%a"&, "h& .r&,&n%& #+ a$u'"&ran",8
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2B Ta)& / * #+ ,u*ar in a "&,";"u2& 0 a$$ +&7 $r#., #+ $i'8
HC' "# i"8 A 2ri,) &
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O(SER9ATIONS 0 RESULTS
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S8N# FOOD
PARTICLE
COMMON
ADULTERA
NT
TEST
/8 D&,i Gh&& 0
(u""&r
9an,.a"i
*h&&
,"ar%h 0
P#"a"#
A$$ a 'i""'& ,u*ar 0 HC'
"# !&'" ,a!.'& #+ *h&&
#r 2u""&r: ,ha)& i" +#r K
!inu"&, .r&,&n%& #+
.in) %#'#ur in a=uu,
'a4&r in$i%a"&
3ana,.a"i *h&&8
A$$ 1 !' #+ 7a"&r in
*h&& #r 2u""&r 2#i':
a$$ +&7 $r#., #+ i#$in&
,#'u"i#n "# i" :
a..&aran%& #+ 2'u&
%#'#ur in$i%a"& "h&
.r&,&n%& #+ ,"ar%h in
"h& ,a!.'&8
18 Mu,"ar$ #i' Ar*&!#n&
#i'
K!' #i' %#n%8 HNO
#ran*&r&$ %#'#ur
in$i%a"& "h& .r&,&n%+ ar*&!#n& #i'8
8 Su*ar 6a,hin*
,#$a #r
Cha')
.#7$&r
Sa!.'& #+ ,u*ar a$$
$i'8 HC' 2ri,)
&
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,#$a #r %ha'), .#7$&r8
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8 Sa'" Cha')
.#7$&r
Sa'" 6a"&r 7hi"&
.." in$i%a"&
a$u'"&ra"i#n #+ %ha').#7$&r8
K8 R&$ %hi''i
.#7$&r
(ri%)
.#7$&r #r
$4&,
R&$ %hi''i .#7$&r in a
2&a)&r $i,"i''&$
.#7$&r: (ri%) .#7$&r
,&""'& $#7n in "h&
2#""#!: a..&aran%& #+
r&$ %#'#ur in$i%a"& "h&
.r&,&n%& #+ $4&,8
8 P&..&r Dri&$.a.a4a
,&&$,
Sa!.'& 7a"&r $ri&$ .a.a4a: ,&&$
#a", #3&r "h& ,ur+a%&
#+ 7a"&r: .ur& .&..&r
,&""'& $#7n8
8 T&a U,&$ "&a
'&a3&, #r
7##$&n
%hi.
%#'#ur&$
Sa!.'& !#i," 7hi"&
%'#"h&, ru22&$
%#'#ur&$ in$i%a"& u,&$
"&a '&a3&, #r %#'#ur&$
7##$&n %hi.,8
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Q8 Tur!&ri%
.#7$&r
Y&''#7
%ha')
.#7$&r8
Sa!.'& Tur!&ri%
.#7$&r 1 !' HC'
2ri,) &
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PRECAUTIONS
(4 "a)in* a +&7 .r&%au"i#n,: 7& %an &,%a.& +r#! %#n,u!in*a$u'"&ra"&$ .r#$u%",
/8 Ta)& #n'4 .a%)&$ i"&!, #+ 7&'' )n#7n %#!.ani&,8
18 (u4 i"&!, +r#! r&'ia2'& r&"ai' ,h#., an$ r&%#*ni&$
#u"'&",8
8 Ch&%) "h& ISI !ar) #r A* !ar)8
8 (u4 .r#$u%", #+ #n'4 air "i*h" .#.u'ar 2ran$,8
K8 A3#i$ %rain&,, +#r ar"i@%ia''4 %#'#ur&$ ,7&&", an$ 2u4
#n'4 +r#! r&.u"&$ ,h#.,8
8 D# n#" 2u4 ,7&&", #r ,na%), )&." in #.&n8
8 A3#i$ 2u4in* "hin*, +r#! ,"r&&" ,i$& 3&n$#r,8
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GO9ERNMENT MEASURES
T# %h&%) "h& ,u..'i&r, #+ +##$ +r#! $#in* ,#: "h&
*#3&rn!&n" ha, .a,,&$ a,"rin*&n" a%" 7hi%h i, )n#7n a,
.r&,&r3a"i#n #+ +##$ A$u'"&ra"i#n A%"8 Th&4 ha3& 2&&n
i!.'&!&n"&$ 7i"h "h& #2j&%"i3& #+ .r#3i$in* ,a+&"4 "#
hu!an 2&in*, in "h& ,u..'4 #+ +##$8 I" %#3&r, ,a+&"4 +r#!
ri,), in3#'3&$ $u& "# %#n"a!ina"i#n #+ .#i,#n#u, &'&!&n",8
Th& ,.&%i@%a"i#n 'ai$ $#7n #+ 3ari#u, +##$, un$&r "h&
.r#3i,i#n, #+ PFA A%" %#3&r, !ini!u! 2a,i% %hara%"&ri,"i%,
#+ "h& Pr#$u%", (&'#7 7hi%h i" i, $&&!&$ "# 2&
a$u'"&ra"&$ an$ a',# %#3&r, "h& !a-i!u! 'i!i" #+
%#n"a!inan" n#" %#n,i$&r&$ 2&in* ,a+& +#r hu!an 2&in*,
2&4#n$ a %&r"ain '&3&'8
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CONCLUSION
Th& in%r&a,in* nu!2&r #+ +##$ .r#$u%&r, an$ "h&
#u","an$in* a!#un", #+ i!.#r"&$ +##$ ,"u
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