Khao Sat Thuc Trang Su Dung Chat Bao Quan Acid Benzoic Trong RthR4bng4k 20130415102614 577

7/22/2019 Khao Sat Thuc Trang Su Dung Chat Bao Quan Acid Benzoic Trong RthR4bng4k 20130415102614 577

1/105

TRNG I HC CN THKHOA KHOA HCB MN HA HC

TI LUN VN TT NGHI!

KH"O #$T TH%C TRNG #& '(NGCH)T B"O *U"N ACI' B+N,OIC

TRONG MT # TH%C !H-M . THANH!H CN TH

C$N B H /NG '0N #INH VI1N TH %C HIN

T2#3 NGU45N TH6 'I! CHI HU7NH TH6 TH84 H9NG : ;?;@CN3 NGU45N TH6 THU MAIKTV3 NGU45N TH6 THU !HNG


2/105

Kho st thc trng s dng acid benzoic trong thcphm

SVTH: Hunh ThThy HngLp CNhn Ha K!"#

Trang i

LI CM No*o

Qu trnh thc hin Lu!n "#n t$t n%hi& '( %i)& + ti,& thu '-.c

nhi/u 0inh n%hi+1u2 3u "4 nh5n% 06 n#n% 37 8ch9 thi,t thc cho c:n%

"ic ;?@ 't '-.c 0,t 1u nh- n%4= h:+ n

H U+ Ain %Bi Di c+ En chFn th4nh ',n c: N%u=Vnh Wi& Chi9

O +:n P< X Rho< Rho< Pc '( t!n tnh h-n% SYn "4 u:nto 'i/u 0in '@ + ho4n th4nh t$t u!n "#n>

H U+ cZn% Ain %Bi Di c+ En ;Fu ;[c ',n


3/105


Trang ii


deNf ?gI PC CN P CjNf Pkl bm PjI CP NfPopqI NpM

RPkp RPkp PC ?Oc !& H So H Pnh &h)c

jMsNPp HHHHHHNPN bv ql ?wNP fIw Cp CwN j PexNf WyN

z> Cn 3O h-n% SYnG h{> Nf|\}N P~ WI] CPI

> ?/ t4iG Rho ;t thc trn% ; Sn%

> {inh "in thc hinG P|NP P~ P\ PNf

H M{{qGz

H L&G C nhFn P< Pc H Rh<

> NOi Sun% nh!n AtG

Nh!n At "/ hnh thTc LqNG

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>> 3> Nh!n At "/ nOi Sun% c< LqNG

?nh %i nOi Sun% thc hin c< '/ t4iG

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Nh5n% "Jn '/ c^n hn ch,G

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>> c> Nh!n At '$i "i tn% ;inh "in th


4/105


Trang ii


%hi r tn%

nOi Sun% ch8nh So ;inh "in n4o chu trch nhi+ thc hin n,u cG

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


5/105


Trang iii


S> R,t u!n9 '/ n%h "4 'i@+G

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

CKn hE9 n%4= thn% n#+

Cn 3O h-n%SYn


6/105


Trang i$


deNf ?gI PC CN P CjNf Pkl bm PjI CP NfPopqI NpM

RPkp RPkp PC ?Oc !& H So H Pnh &h)c

jMsNPkw HHHHHHNPN bv ql ?wNP fIw Cp CwN j ]PN IN

z> Cn 3O chJ+ &hn 3inG>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

> ?/ t4iG Rho ;t thc trn% ; Sn%

> {inh "in thc hinG P|NP P~ P\ PNf

H M{{qGz

H L&G C nhFn P< Pc H Rh< > NOi Sun% nh!n AtG

Nh!n At "/ hnh thTc LqNG

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>> 3> Nh!n At "/ nOi Sun% c< LqNG

?nh %i nOi Sun% thc hin c< '/ t4iG

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Nh5n% "Jn '/ c^n hn ch,G

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>> c> Nh!n At '$i "i tn% ;inh "in th


7/105


Trang $


%hi r tn%

nOi Sun% ch8nh So ;inh "in n4o chu trch nhi+ thc hin n,u cG

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>


8/105


Trang $


S> R,t u!n9 '/ n%h "4 'i@+G

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

CKn hE9 n%4= thn% n#+

Cn 3O &hn3in


9/105


Trang $i


NPNf CP qI

o*o

Nh5n% ch5 "i,t t[t ;


10/105


Trang $ii


MC LC

o*o

r>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>i

NPN bv ql ?wNP fIw Cp CwN j PexNf WyN

>>>>>>>>>>>>>>>>>>>>>>>>>>ii NPN bv ql ?wNP fIw Cp CwN j ]PN

IN>>>>>>>>>>>>>>>>>>>>>>>>>>>> i" NPNf CP qI

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"i MC LC

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"ii

WpNP {wCP PNP

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> A WpNP {wCP

Nf>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Ai ]PN

M ?| >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

]PN Nf Q|pN>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

CPeNf zG CP k Q|N PC ]PM>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I> ]h %i< thc &h+99z9z9>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>z> ?nhn%h>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>> ]hFnoi>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II> ChJt 3o 1un thc&h+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

III> nh hnh ; Sn%


11/105


Trang $ii


II>z> 8nh chJt c< "^n% thE+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> 8nh chJt c< %$c c>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

III> {n AuJt >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

III>z>ron% c:n%n%hi&>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

III>>7n% h.& tron% &h^n% th8n%hi+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>z

Iq>n% Sn% c< >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> zz

qI>z>ron% ;n AuJt ch, 3i,n thc &h+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> zz

qI>>ron% = hc>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>>ron% c:n%n%hi&>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>z

q> N%hin cTu 'Oc t8nh z9>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z


12/105


Trang $iii


q>z> N%u= cE hnh th4nh 'Oc chJt %F= un% th- tron% n-c n%t>>>>>>>>>>>>>z

q>> N>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>z>> N%u=n t[c>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>z>> Cch ti,n h4nh>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>z>> i@u th 0,t 1u>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>>]h-En% &h& chun 'O>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>>z> N%u=n t[c>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

qI>>> i,n h4nh th

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> zqI>>> 8nh 0,t 1u

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

qI>>]h-En% ]h& {[c R2 Ln% C>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Iq>>z> N%u=n t[c>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Iq>>> Cch ti,n h4nh>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Iq>>> 8nh ton 0,t1u>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>z

]PN PC NfPIM>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

p> MC I| NfPIN C|>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

> ]PeNf ]Pw] NfPIN


13/105


Trang i%


C|>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I> ]h-En% &h& chun'O>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>z> ]h-En% &h& th>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>> N%u=n t[c>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>> Wn% c9 h< chJt>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>> i,n h4nh th>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>> 8nh 0,t 1u>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II> ]h-En% &h& P]LC Ac 'nh h4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>> II>z> ]h-En% &h& th>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> NOi Sun% &h-En% &h&>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> hi,t 39 Sn% c "4 h< chJt>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> Cch ti,n h4nh>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> 8nh ton 0,t 1u>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


14/105



Trang i%

C> PkgCP ?~NPP NfPIMG >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

W> PC NfPIM>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>h+ 'nh &h-En% &h& P]LC 9

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>z>Rho;t t8nh tu=,n t8nh>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I>>Rho;t 'O & i 'O ch8nh Ac c< &h-En% &h&>>>>>>>>>>>>>>>>>>>>>>>

I>>Rho;t 'O ')n%>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II> R,t 1u Ac 'nhh4+ -.n% >>

II>z> Nh+ ;n &h+ch>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> Nh+ ;n &h+ 4u " =@u>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

II>> Nh+ ;n &h+ n-c %ii 0ht>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Nh!n At chun%G>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> z

III> R,t 1u Ac 'nhh4+ -.n%


15/105



Trang %

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


16/105


Trang %


WpNP {wCP PNPo*o

r>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Pnh G ? th ;o ;nh h4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Pnh G ? th ;o ;nh h4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Pnh G ? th ;o ;nh h4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


17/105


Trang %i


WpNP {wCP Nfo*o

r>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

n% G R,t 1u 0ho ;t 'O & i >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

n% G R,t 1u th+ 'nh 'O ')n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>z

n% G Cc +Yu ch 0i@+ tr>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> n% G P4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>

n% G {o ;nh h4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

n% G P4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

n% zG P4+ -.n% >>>>>>>>>>>>>>>>>


18/105


Trang


n% zG {o ;nh h4+ -.n% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

z

n% zG P4+ -.n% >>>>>>>>>>>>>>>>>>>>>>

n% zG {o ;nh h4+ -.n% >>>>>>>>>>>>>>>>>>>


19/105


Trang &


]PN M ?|

o*o

I> ? qN ?

ron% cuOc ;$n% hin 'i9 nhu cKu thc &h+ c:n% n%h n%4= c4n%t#n%>?@ cc oi thc &h+ Fu h-9 cc nh4 ;n AuJt '/u &hi S_n% chJt

3o 1un n+ tron% S u= nhin9 'F= "Yn

4 chJt h< hc "4 "ic ; Sn% "-.t +Tc cho &h& '/u 'Oc hi9 nh

h-Bn% AJu ',n ;Tc 0h n%-Di S_n%> qic ; Sn% cc h< chJt "4 &h

%i< tron% A 29 ch, 3i,n thc &h+ '( "4 ' Nh-n% h


20/105


Trang '


AuJt u!n "#n thc hin +Ot ;$ +c tiu c th@ nh- ;


21/105


Trang "

Kho st thc trng s dng acid benzoic trong thcphm bc 'nh h4+ -.n% {o ;nh h4+ -.n%


22/105


Trang (


]PN Nf Q|pNo*o

CPeNf zG CP k Q|N PC ]PM

I> ]h %i< thc &h+ 99z9z9

I>z> ?nh n%h Cc chJt 0hn% ;inh {t&to+iAin9 cc oi &*niAiin>>>>


27/105

Kho st thc trng s dng acid benzoic trong thcphm Cc chJt ch$n% oA= h< Nh-n% h


28/105


&h+ thuOc run% tF+ \ t, S &h^n% ] PCM> cu$i n#+ ',n 3> 7n% h.& tron% &h^n% th8 n%hi+

]hn Tn% th= &hFnG

fi$n% nh- cc nitri hoc


33/105


Trang &&


Wo z X > th

; Tc ch, cc "i 0hun %F= h- hn% thc &h+ '^i hi nn% 'O c pciS n4= c tc Sn% Tc ch, +nh "i nJ+ +n "4 nJ+ +$c

nh-n% tc Sn% =,u '$i "i "i 0hun> c Sn% 3o 1un ch A= r< B +:i

tr-Dn% X >

?$i "i cc +u$i 3no X "4 0+ nhJt B &P >> h-Dn% S_n% 4+chJt 3o 1un tron% cc oi +Tt9 n-c ho< 1u9 n-c c %

?,n n


34/105


Trang &'


Tc ch, ; hJ& th


35/105



Trang &'

?$i "i con n%-Di9 0hi "4o cE th@ u= nhin

n,u #n nhi/u


36/105



Trang &"


37/105

Kho st thc trng s dng acid benzoic trong thcphm ]hno9 CPkP9 4 n%u=n iu 1u n%-Di i/u -.n% %F= 'Oc 1u< S< 4 +%0% th@

trn%> u= nhin9 '$i "i i/u -.n% X z+% tron% "4i n%4= th:n% 1u> nh h-Bn% ',nh thKn 0inhMOt n%hin cTu +i 'F= c< pnh cho thJ=9 +Ot ;$ &h+ +4u "4 chJt

3o 1un thc &h+ c th@ 4+ tr + trB nn hun% h#n% "4 C-Di ;u=

n%h hEn> Nh5n% chJt n4= c tc 'On% t t nn rJt 0h Ac 'nh +Tc

'O %F= hi c< ch)n%>


40/105



Trang &)

ron% tuKn9 cc nh4 n%hin cTu cho %Kn chu 3 tu7i u$n%

n-c & tri cF= c &h< +% +4u thc &h+ "4 +% chJt 3o

1un Uzz n Wo '9 n

qI> ]h-En% &h& Ac 'nh h4+ -.n% ]h-En% &h& 1uz>z> ]h+ "i "4 nh "c & Sn%]h-En% &h& n4= ch '-.c & Sn% '@ Ac 'nh h4+ -.n%


41/105



Trang &*

tron% +:i tr-Dn% bc 'nh3n% cch 'o 1u

?@ ;n &h+ ':n% nh t

CFn 0hon% z% +Yu th ch8nh Ac ',n >z%9 "4 S_n% H+

n-c9 chu=@n+Yu "4o 3nh cKu +>

h+ 0hon% +% n Lc &hKnchT< tron% 3nh cKu "4 trn% h

hu to4n 3O Sch c "4o &hVu chi,t Sun% t8ch +9 '@ n%uOi> Cc ;n &h+ n% chT< tht 1uGLJ= + +Yu th cho "4o c$i "4 n%hi/n "i + n-c> Lc chJt n%

; L4+ h

3> Ch i,t


42/105



Trang &-

{


43/105



Trang &+

i,& tc t-En% t Kn chi,t thT 3< 3n% + Sit= t "4 Sn & tthu

'-.c "4o c_n% h

Ch) th8chG

Cc chJt 3o 1un 0hc c n%un %$c t

ron% tr-Dn% h.& n4=9 '@ 3nh cKu 8t nhJt %iD '@ oAi h< ho4n to4n 3n+>

?O hJ& th So


45/105


Trang '#


p pz p

ron% 'G

pz 4 'O hJ& th B >n+

p 4 'O hJ& th B n+

p 4 'O hJ& th B >n+

Ch) th8chG

qic Ac 'nh 1uz>> i@uth 0,t1u

]hKn +Yu th '-.c J= 3n% cch S_n% &i&*tG

P4+ -.n% +

ron% ' + 4 0h$i -.n% c<

]hKn +Yu th '-.c J= 3n% cch cFnG


46/105


Trang '&


P4+ -.n%


47/105

'

ron% 'G

+ *

+z

+z 4 0h$i -.n% c< +Yu th t8nh 3n% %

+ 4 0h$i -.n% c<

qI>> ]h-En% &h& chun 'O

qI>>z> N%u=n t[c

Chi,t

Chu=@n&hKn cn c^n i tron% c$c ;T "4 4+ 3$c hEi trn 3,& cchth= B

oC9 '@ n%uOi> W_n% + t


48/105


Trang '#

&

qI>>> 8nh 0,t1u

P4+ -.n%

q G h@ t8ch Sch c +Yu h)t '@ chi,t9 +>

+ G Rh$i -.n% +Yu cFn9 %>

R G ?O chun c< chJt cKn Ac 'nhtho NN

"i GpciS 3noic R >z%

Nz> Chnh ch 0,t 1u c< h

{


49/105


Trang '&

C h u n 3+Yu


50/105

CFn % +Yu cho "4o 3nh 'nh +Tc +9 n-c cJt9 + C

Wun% Sch chun 4+ "icG &h< chun hn h.& c< h

h@ t8ch 3E+G z>

]h< 'On%G CPCkkNP >M G MkP X G "">

Iq>>> 8nh ton 0,t1u

ron% 'G

C+


51/105

]PN PC NfPIMo*o

p> MC I| NfPIN C|

Rho ;t &h-En% &h& P]LC 'nh-.n% bc 'nh h4+ -.n% ]PeNf ]Pw] NfPIN C|

I> ]h-En% &h& chun 'O

I>z> ]h-En% &h& th> N%u=n t[c

Chi,t

Ut

Choroo+>

]hno&htz>


52/105

&

I>> i,nh4nh th

CFn % +Yu ch8nh Ac ',n >z%9 chu=@n to4n 3O "4o 3nh 'nh+Tc

+9 S_n% N

h+ ti,&G

o z+ RCN z

o z+ n{k

o N-c cJt ',n "ch

L[c '/u9 '@ [n%9 c>

P)t + Sch c chu=@n"4o &hVu chi,t chi< 'O9 trun% h^< 3n% PC

z th 3n% %iJ= 'o &P9 ;

Chu=@n&hKn cn c^n i tron% c$c ;T "4 4+ 3$c hEi trn 3,& cchth= B

oC9 '@ n%uOi> W_n% + tR>q >zb

+>q

q G h@ t8ch NN S_n% '@ chun 'O9

+> qz G h@ t8ch 3nh 'nh+Tc &h< +Yu9+>

q G h@ t8ch Sch c +Yu h)t '@ chi,t9 +>

+ G Rh$i -.n% +Yu cFn9 %>

R G ?O chun c< chJt cKn Ac 'nhtho NN


53/105

"i G

pciS

3noic

R

>z

%

N Chnh ch 0,t 1u c< h ]h-En% &h& th

Pin n

COt ;[c 02G d] X z ++ A >+

$c 'O S^n%G z+&h)t>

h@ t8ch 3E+G >

]h< 'On%G pctonitri X

COt ;[c 02G d] X z ++ A >z++9 z+

$c 'O S^n%G z+&h)t>

h@ t8ch 3E+G >

]h< 'On%G pctonitri G?+ &hot&h

COt ;[c 02G onS


55/105

$c 'O S^n%G z+&h)t>

h@ t8ch 3E+G >


56/105

]h< 'On%G Mt

h@ t8ch 3E+G >

]h< 'On%G p+oniu+ +

$c 'O S^n%G z+&h)t>

h@ t8ch 3E+G z>

]h< 'On%G CPCkkNP >M G MkP X G "">

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P]LC So &h_ h.& "i tr

II>> NOi Sun% &h-En% &h&

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57/105

II>> hi,t39 Sn% c "4 h< chJt

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P< chJt tinh 0hi,t S_n% cho &hFn t8ch>

Wun% Sch CPkz> Wun% Sch CPk

>

Wun% Sch

MkP S_n% cho

P]LC> N-c cJt Kn>

II>> Cch ti,nh4nh

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58/105

Lc 1u< %iJ= c9 c i Kn n5< 3n% &hin c S_n% cho P]LC> ?- ron% '9 %i5< 'i -.n% 'o '-.c "4 nn% 'O &hi th@

hin ; &h thuOc tu=,n t8nh> 8nh tu=,n t8nh '-.c 3i@u th 3n% h ;$t-En% 1u

hc hin

]h< +Ot S(= Sun% Sch chun

cc 0,t 1u thu '-.c9 ; Sn% &hKn +/+ UAc tron% += t8nh t8nh

ton &h-En% trnh '-Dn% 3i@u SiVn h4+ -.n% tho Sin t8ch 'nh> cc

th:n% ;$ thu '-.c ; t8nh ton '-.c d> ?@ '+ 3o =u cKu "/ t8nh

tu=,n t8nh9 th:n% th-Dn% d >>


61/105

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th*o &h-En% trnh = A z "i d > Pnh > Nh- "!=9

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I>> Rho ;t 'O & i 'O ch8nh Ac c< &h-En%&h&

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62/105

ch chun {W h

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63/105



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ch8nh Ac '-.c thc hin trn Kn 'o trn c_n% +Ot : "4 t8nh 'O ch

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n% G R,t1u 0ho ;t 'O & i

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ch8nh Ac t$t>

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65/105


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II> R,t 1u Ac 'nh h4+ -.n% z> Nh+ ;n &h+ ch

n% G Cc +Yu ch 0i@+ tr

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66/105

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Pnh G ? th ;o ;nh h4+ -.n%

P4+ -.n%


67/105

R,t1u ;[c 02 ' c< cc +Yu ch 0i@+tr


68/105



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69/105


Trang "*



70/105


Trang "-


II>> Nh+ ;n &h+ 4u " =@u

n% G Cc +Yu t4u " =@u 0i@+ tr R,t 1u Ac 'nh h4+ -.n% z >z

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76/105

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77/105

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78/105

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80/105

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n% zG P4+ -.n% z >z

{5< '!u n4nh MYu

ch?n%

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81/105

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83/105

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84/105

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n% zG P4+ -.n% z

-En% POt MYu

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85/105


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NJK'O

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86/105

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88/105


3n% ;o ;nh trn t< thJ=9 "i +Yu 0i@+ tr< th &h-En% &h&

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89/105


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R L|N ql RIN NfP~

I> R L|N

C nhi/u &h-En% &h& Ac 'nhh4+ -.n% "i {W z>>

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90/105


Trang )(


chJt -.n% " ;inh


91/105


Trang ))


II> RIN NfP~

qic ; Sn% cc chJt 3o 1un9 S_ n+ tron% S Ch8nh t t8nh chJt 1u

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92/105


Trang ))

lI LI| PpM RPkz O \ ,9 W

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93/105


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94/105


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95/105


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96/105


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97/105


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98/105


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99/105


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100/105


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101/105



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102/105


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103/105


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104/105


Trang *(



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