Post on 21-Feb-2018
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UNIVERSIDAD NACIONAL DE SAN CRISTOBAL DE HUAMANGA
FACULTAD DE INGENIERIA QUIMICA Y METALURGIADEPERTAMENTO ACADMICO DE INGENIERIA QUIMICA
ESCUELA DE FORMACION PROFESIONAL DE INGENIERIA ENINDUSTRIAS ALIMENTARIAS
ANALISIS INSTRUMENTAL (AI-340)
PRACTICA DE LABORATORIO N 01
DETERMINACION POTENCIOMETRICA DEL ACIDO ACETICO EN
MUESTRAS DE VINAGRE
PROFESOR : MQ. I!. TRE"O ESPINO#A$ A%&'F*&'+,
ALUMNO : AYALA SALCEDO$ H+': BADA"OS ARONS$ D*/ C'&,': CONDOLI QUISPE$ I+': GON#1LE# CAMASCA$ L2%* M'&': "URADO MENESES$ ",5 E&67*
GRUPO DE PR1CTICA : 85&9,* +* 3:308 ;
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I. OBJETIVO.
C'97'& ' 8'' +* CHO4$ 72'+, * ' ',&'9 +* N'OH.
D**&8'& ' '9+*2 +* '!&*.
R*&**'& !&9'8** H V&,8$ H V(? +*&'+')$ >H
V> (>+*&'+').
II. REVISIN BIBLIOGRFICA.
POTENCIOMETRIA:
U' +* ' &9'* '9'9,* +* ' ,*9,8*&' +&*9' * '
+**&8'9 +* H +* ' ,79,* '97,'. S,&** * ? 0 +* *
5&8, H 9,8, * ,!'&8, *!', +* ' 9,9*&'9 +* ,*
+&!*,. E' +*9 * ''9,&' +*+* * 7, +* ' *&9,$ *,&
' 9'+'+ , * 7*+* 8*+& * ,&8' *J*&8*'. N, '/ ,&8' +* 8*+&
'8%!K*+'+ ' '9+'+ +* 7' ' **9* 9'
L' '9+*2 ,' +* 7 '8*,, +**&8'+, ,& 7'9$ * ' %'* '&'' +**&8'9 +* 7 *!'+'+. P,& **8, ' *!'+'+ +* '!&* / 7!,
+* &7' (**9'8** * , E'+, U+, +* A85&9' ) * %'' * **
&9, ''9,. E *'/, * '8%5 72'+, '&' *!7& * +*'&&,, +*
' '9+*2 +7&'* ' *&8*'9 +* '8*,.
E *&+'+*&, 9'&9*& 9+, +* 7 '8*, , 7' ,79 * +**&8'+'
,& ' 9,9*&'9 , 8 &*9'8**$ ' '9+'+ +* , ,* +&!*,
+,9'+,. L' 9,9*&'9 +* , ,* +&!*, * ,&8'8** *J&*'+,
* 5&8, +* H:
H - ,! H
H: 9,9*&'9$ +* , +&!*, (8,*&,)
E H +* 7' ,79 7*+* *& 8*++, 8*+'* +9'+,&* 9,,&*'+,$
+,+* * 9,,& +* ' ,&8' +,9'+' +* ' 8,597' +* +9'+,& * +*&**
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+* ' ,&8' , +,9'+'. D*+* 67* ' 9,9*&'9 +* , +&!*, '*9'
+&*9'8** * !&'+, +* +,9'9 +* '!7, +9'+,&*$ * 9,,& +*
+9'+,& 7*+* &**'& * H +* ' ,79.
E ' &99' * 77'8** 8 9,*** 8*+& * H 9, 7 H-
8*&, (,*98*&, '&' 8*+9 +* ,*9' *59&9,).
E 7' 599' **9&, ''9' %''+' * ' 8*+9 +* 7*&2' +*
**9&,8,&9* +* 9*+' +,+* ,97&&* &*'99,* 6789'$ 7*+* *&:
1. Po!"#$o%!&$' ($&!#': 9,* * &*'2'& 7' ,' 8*+9 +*
,*9' +* ' 9*+'$ 72'+, **9&,+, **9, +* ,*.
). T$*+'#$o"! -o!"#$o%!&$#': 8+* , 9'8%, +* ' 7*&2'
**9&,8,&2 ,&!'+, ,& ' '+9 +* 7 7'* ' 7' 87*&'.
TITULACIONES POTENCIOMTRICAS
P7*+* *& 9+,-%9'$ &*+,J$ &*9'9,* / ,&8'9 +*
9,8*,. E ' 7'9,* +* *7&'2'9 * 72' 7 **9&,+,
9,8%'+, (+&,-9',8*). P'&' , ,&, , +* &*'99,* 6789' *
+*%* +,*& +* **9&,+, **99, +* ,*.
C,* * 8*+& * ,*9' , H '&' '+9 +* 7'*. E 7, +*
*67'*9' * +**9' +**&8'+, * ,78* * * 97' ,97&&* 7 9'8%,
+* ,*9' , H &*''8** !&'+* 97'+, * '+9,' * 7'*.
L' 7'9,* ,*9,85&9' * *&* ' 8 *J'9' ,&67* *
,*9' !7* * 9'8%, +* '9+'+$ ,& 9,!7** * 7, +*
*67'*9' ' 8*7+, 9,9+* 9, * 7, ' +* &*'99 6789'. S,
8 *%* 67* ' 7'*$ ,& , 67* *8*' '&' ,79,* +7+'. N,
* *9*'&, 72'& +9'+,&. L' 97&' 7'* !&'9' ,*9' , H 9,&'
,78* +* 7'* ** ' !7** '7&'*2'.
VALORACIONES POTENCIOMTRICAS
H*8, , 67* * ,*9' +* 7 9,+79,& 8*9, 78*&!+, * 7'
+,79 +* 7 **9&,, 7*+* *& *%* ' ' 9,9*&'9 +* 7, , 8 +*
, 9,8,** +* *' +79. U' '9'9 ''9' ,%' +* **
*8*, * 7 *8*, * ' 8*++' +* 9,9*&'9. E, * '9* ,& 7' +*
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,8** 67* * 72'&, '&' 9'97'& ' +*&*9'
9. M7o(o (! +' !*"(' (!&$8'(': 8'*89'8** ' *!7+' +*&'+'
+* 7' 97&' +* 7'9 +*%*&' ''& ,& 9*&, * * 7, +*
*67'*9'. S* !&'9' = 9,&' * &,8*+,
+* , ,8** '!&*!'+,.
Y
/ALCARRA; ALFARO, T'$+'2)0115
ESTANDARI;ACIN DEL - 87,.
3. C7'+, ' '!7' &*,8* ' ' ,9 +* +*9', / , ,9*$ '7* 9, *
%, +* *'+'&2'9 '' 67* ' '!7' 9,9+' 9, * ',& +* H
$0. G&* * %, 9,&, ' ' ,9 +* '+ %/. R*&* , **9&,+,$
*7!7*, 9, '!7' +*'+'.
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4. S78*&' , **9&,+, * 7 %*'*& +* 0 8L 9,**+, %7*& *+'&
' H 4$0 / !&* * %, +* 9,&, *&,& ' H. S ' '!7' , &*,8' '
7 ,9 +* +*9', * H 4$0$ '7* 9, * %, +* 9,&, +*
*8*&'7&'.
VINAGRE:
E '!&* +* , * &,+79* &9'8** * *7&,*'. E 9,*+,
88, +* '9+, '959, '9*'+, * ' 9,87+'+ *7&,*' * +*
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%) C7+'+,'8** **'& > 8L +* 87*&' +*9,,9+' +* '!&* +*&,
+* 7 ', +* ?0 8L +* 9''9+'+. A+9,* 3 !,' +* +9'+,&
*,'*' * &,+729' 7' 8'!*, &,*!+' '&' '!'9.
C,,67* * %*'*& ,%&* 7 '!'+,& 8'!59, / 9, 97+'+, *&* ,
**9&,+, +* H-8*&, *'+'&2'+, +*&, +* ' ,79 +* '!&*.
E9*+' * '!'+,& 8'!59, / *&8' 67* * 8'!*, &,* 7'*8**
67* 9,,* 9, , **9&,+,. A+9,*$ * *9*'&,$ '!7'
+*'+' '' 97%&& , **9&,+,.
C,,67* ' %7&*' 9,**+, ,79 *+'& +* N'OH 0$?N +* '
8'*&' 67* * *J&*8, +* *' * 7%67* +*&, +* ', 67* 9,** '
87*&' +* '!&*.
9) R*!&* * H 9' +* ' ,79. E,9*$ 9* ' '+9 97+'+,'
+* ' ,79 *+'& +* N'OH 0$0 N 9,*+' * ' %7&*'.
+) A,* * H +*75 +* 9'+' '+9 +* ,79 +* N'OH. L' '+9 +*
' ,79 +* N'OH +*%*& *& **97'+' * *67*' ,&9,* (0$?-?$08L) 97'+, * ',& +* H * 9'8%'+, &+'8** 9, 9'+'
9&*8*,.
A+9,* 8'/,&* 9'+'+* +* N'OH (?$0->$0 8L) 97'+, * ,*
*67*, 9'8%, +* H.
*) D*75 +* 9'+' '+9 +* %'*$ *&8' 7 *8, +* 8*29' / *,9*
&*!&* * ,78* +* N'OH 8,&'+, * ' %7&*' / * 9,&&*,+**
',& +* H.
) L** ' 7'9 '' * 8,8*, 67* * +9'+,& *,'*'
87*&* 7 , *&8'** 9,,& &,'+,. A,* * ',& +* H / ,
8&, +* N'OH 0$0N ,%*+, * * 7, +* *67'*9'.
!) R*' ' 7'9 &+'8** '&' ,%**& 7 +79'+, +* ,78*
+* N'OH &*67*&+,.
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9. C97, +* ' '9+*2 +* '!&* / 9,&799 +* ' !&9':
TABLA I: VINAGRE BLANCO
" aOH " pH * * 2* "2
0 ... '.' 0 ... ... ...
0.% 0.% '.4 00 - ...
0.% '.+ ,+ -2 - 0.%0.% 0.% '.22 ,% -' - 0.%0
2 0.% '.2% ,' -2 0.%0
2.% 0.% '.2+ , -2 0 0.%0
' 0.% '.'' +, -2 0 0.%0
'.% 0.% '.'6 + -2 0 0.%0
4 0.% '.4 +% -2 0 0.%0
4.% 0.% '.4% +2 -' - 0.%0
% 0.% '.4 + - 2 0.%0
%.% 0.% '.% , -2 - 0.%0
6 0.% '.%4 -2 0 0.%06.% 0.% '.% % -2 0 0.%0
0.% '.6 ' -2 0 0.%0
.% 0.% '.6' -2 0 0.%0
+ 0.% '.66 0 - 0.%0
+.% 0.% '.6, 6+ -2 - 0.%0
, 0.% '. 6 - 0.%0
,.% 0.% '.4 6% -2 - 0.%0
0 0.% '.6 64 - 0.%0
0.% 0.% '., 62 -2 - 0.%0
0.% '.+ 6 - 0.%0.% 0.% '.+' 60 - 0 0.%0
2 0.% '.+% %, - 0 0.%0
2.% 0.% '.++ % -2 - 0.%0
' 0.% '., %6 - 0.%0
'.% 0.% '.,2 %% - 0 0.%0
4 0.% '.,% %' -2 - 0.%0
4.% 0.% '., %' 0 2 0.%0
% 0.% '.,, % -2 -2 0.%0
%.% 0.% 4.0 %0 - 0.%0
6 0.% 4.0' 4+ -2 - 0.%0
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6.% 0.% 4.04 4+ 0 2 0.%0
0.% 4.0 46 -2 -2 0.%0
.% 0.% 4.0+ 4% - 0.%0
+ 0.% 4. 44 - 0 0.%0
+.% 0.% 4.2 4' - 0 0.%0
, 0.% 4.4 42 - 0 0.%0
,.% 0.% 4.6 4 - 0 0.%0
20 0.% 4.+ 40 - 0 0.%0
20.% 0.% 4.2 ', - 0 0.%0
2 0.% 4.2 '+ - 0 0.%0
2.% 0.% 4.2' ' - 0 0.%0
22 0.% 4.2% '6 - 0 0.%0
22.% 0.% 4.26 '% - 0 0.%0
2' 0.% 4.2 '4 - 0 0.%0
2'.% 0.% 4.2, '' - 0 0.%0
24 0.% 4.'2 '2 - 0 0.%0
24.% 0.% 4.'' ' - 0 0.%0
2% 0.% 4.'% '0 - 0 0.%0
2%.% 0.% 4.'6 24 -6 -% 0.%0
26 0.% 4.'+ 2+ 4 0 0.%0
26.% 0.% 4.', 2 - -% 0.%0
2 0.% 4.42 26 - 0 0.%0
2.% 0.% 4.4' 2% - 0 0.%0
2+ 0.% 4.4% 24 - 0 0.%0
2+.% 0.% 4.46 2' - 0 0.%0
2, 0.% 4.4+ 22 - 0 0.%0
2,.% 0.% 4.% 2 - 0 0.%0
'0 0.% 4.% 20 - 0 0.%0
'0.% 0.% 4.%' , - 0 0.%0
' 0.% 4.%% + - 0 0.%0
'.% 0.% 4.% - 0 0.%0
'2 0.% 4.%+ 6 - 0 0.%0
'2.% 0.% 4.%, 6 0 0.%0
'' 0.% 4.6 % - - 0.%0''.% 0.% 4.64 ' -2 - 0.%0
'4 0.% 4.6% 2 - 0.%0
'4.% 0.% 4.6 - 0 0.%0
'% 0.% 4.6, 0 - 0 0.%0
'%.% 0.% 4. , - 0 0.%0
'6 0.% 4.2 + - 0 0.%0
'6.% 0.% 4.% - 0 0.%0
' 0.% 4.6 6 - 0 0.%0
'.% 0.% 4., 4 -2 - 0.%0
'+ 0.% 4.+ ' - 0.%0
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'+.% 0.% 4.+' 2 - 0 0.%0
', 0.% 4.+% - 0 0.%0
',.% 0.% 4.+ 0 - 0 0.%0
40 0.% 4.+, -2 -2 - 0.%0
40.% 0.% 4., -' - 0.%0
4 0.% 4.,% -% -2 - 0.%0
4.% 0.% 4.,6 -6 - 0.%0
42 0.% 4.,, - - 0 0.%0
42.% 0.% %.02 -+ - 0 0.%0
4' 0.% %.0' -0 -2 - 0.%0
44 %.04 -0 0 2 0.%
4% %. -' -' -' .00
46 %.6 - -4 - .00
4 %.22 -2 -4 0 .00
4+ %.' -26 -% - .00
4, %.4 -'0 -4 .00
%0 %.% -' - -' .00
% %.64 -4% -+ - .00
%2 %.+4 -%6 - -' .00
%' 6.6 -% -, -+ .00
%4 6.+ -6 -4 -22 .00
%% ,.%2 -20 -%4 -' .00
%6 0.4 -'0% -'% , .00
% 0.', -', -4 2 .00
%+ 0.%' -'2 -+ 6 .00
%, 0.64 -''4 - .00
60 0.4 -'40 -6 .00
6 0.+ -'4' -' ' .00
62 0.++ -'4+ -% -2 .00
6' 0.,2 -'% -' 2 .00
64 0.,+ -'%4 -' 0 .00
6% .02 -'%6 -2 .00
66 .0% -'%+ -2 0 .00
6 .0, -'60 -2 0 .006+ .2 -'62 -2 0 .00
6, .% -'64 -2 0 .00
0 . -'6% - .00
.2 -'6 -2 - .00
2 .2' -'6, -2 0 .00
' .2% -'0 - .00
4 .2 -' - 0 .00
% .' -'2 - 0 .00
6 .' -'' - 0 .00
.'' -'4 - 0 .00
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+ .'% -'% - 0 .00
, .'% -'6 - 0 .00
+0 .' -' - 0 .00
+ .', -'+ - 0 .00
+2 .4 -'+ 0 .00
+' .4 -', - - .00
+4 .42 -'+0 - 0 .00
+% .4% -'+ - 0 .00
+6 .46 -'+2 - 0 .00
MTODO DE LA MEDIA ALTURA = LAS TANGENTES
T'9+' I.1
"# aOH pH "# aOH pH0 '.' 2%.% 4.'6
0.% '.4 26 4.'+
'.+ 26.% 4.',
.% '.22 2 4.42
2 '.2% 2.% 4.4'
2.% '.2+ 2+ 4.4%
' '.'' 2+.% 4.46
'.% '.'6 2, 4.4+
4 '.4 2,.% 4.%
4.% '.4% '0 4.%% '.4 '0.% 4.%'
%.% '.% ' 4.%%
6 '.%4 '.% 4.%
6.% '.% '2 4.%+
'.6 '2.% 4.%,
.% '.6' '' 4.6
+ '.66 ''.% 4.64
+.% '.6, '4 4.6%
, '. '4.% 4.6
,.% '.4 '% 4.6,0 '.6 '%.% 4.
0.% '., '6 4.2
'.+ '6.% 4.%
.% '.+' ' 4.6
2 '.+% '.% 4.,
2.% '.++ '+ 4.+
' '., '+.% 4.+'
'.% '.,2 ', 4.+%
4 '.,% ',.% 4.+
4.% '., 40 4.+,
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% '.,, 40.% 4.,
%.% 4.0 4 4.,%
6 4.0' 4.% 4.,6
6.% 4.04 42 4.,,
4.0 42.% %.02
.% 4.0+ 4' %.0'
+ 4. 44 %.04
+.% 4.2 4% %.
, 4.4 46 %.6
,.% 4.6 4 %.22
20 4.+ 4+ %.'
20.% 4.2 4, %.4
2 4.2 %0 %.%
2.% 4.2' % %.64
22 4.2% %2 %.+4
22.% 4.26 %' 6.6
2' 4.2 %4 6.+
2'.% 4.2, %% ,.%2
24 4.'2 %6 0.4
24.% 4.'' % 0.',
2% 4.'% %+ 0.%'
2%.% 4.'6 %, 0.64
26 4.'+ 60 0.4
26.% 4.', 6 0.+
2 4.42 62 0.++
2.% 4.4' 6' 0.,2
2+ 4.4% 64 0.,+
2+.% 4.46 6% .02
2, 4.4+ 66 .0%
2,.% 4.% 6 .0,
'0 4.% 6+ .2
'0.% 4.%' 6, .%
' 4.%% 0 .
'.% 4.% .2'2 4.%+ 2 .2'
'2.% 4.%, ' .2%
'' 4.6 4 .2
''.% 4.64 % .'
'4 4.6% 6 .'
'4.% 4.6 .''
'% 4.6, + .'%
'%.% 4. , .'%
'6 4.2 +0 .'
'6.% 4.% + .',
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' 4.6 +2 .4
'.% 4., +' .4
'+ 4.+ +4 .42
'+.% 4.+' +% .4%
', 4.+% +6 .46
G&>?$#' N@ 01:
T'9+' I.)
"# aOH * (&")
0 0
0.% 00
,+
.% ,%
2 ,'2.% ,
' +,
'.% +
4 +%
4.% +2
% +
%.% ,
6
6.% %
'
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.%
+ 0
+.% 6+
, 6
,.% 6%
0 64
0.% 62
6
.% 60
2 %,
2.% %
' %6
'.% %%
4 %'
4.% %'
% %
%.% %0
6 4+
6.% 4+
46
.% 4%
+ 44
+.% 4'
, 42
,.% 4
20 40
20.% ',
2 '+
2.% '
22 '6
22.% '%
2' '4
2'.% ''
24 '224.% '
2% '0
2%.% 24
26 2+
26.% 2
2 26
2.% 2%
2+ 24
2+.% 2'
2, 22
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2,.% 2
'0 20
'0.% ,
' +
'.%
'2 6
'2.% 6
'' %
''.% '
'4 2
'4.%
'% 0
'%.% ,
'6 +
'6.%
' 6
'.% 4
'+ '
'+.% 2
',
',.% 0
40 -2
40.% -'
4 -%
4.% -6
42 -
42.% -+
4' -0
44 -0
4% -'
46 -
4 -2
4+ -26
4, -'0%0 -'
% -4%
%2 -%6
%' -%
%4 -6
%% -20
%6 -'0%
% -',
%+ -'2
%, -''4
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42.% -4.00
4'.% 0.00
44.% -'.00
4%.% -4.00
46.% -4.00
4.% -%.00
4+.% -4.00
4,.% -.00
%0.% -+.00
%.% -.00
%2.% -,.00
%'.% -4.00
%4.% -%4.00
%%.% -'%.00
%6.% -4.00
%.% -+.00
%+.% -.00
%,.% -6.00
60.% -'.00
6.% -%.00
62.% -'.00
6'.% -'.00
64.% -2.00
6%.% -2.00
66.% -2.00
6.% -2.00
6+.% -2.00
6,.% -.00
0.% -2.00
.% -2.00
2.% -.00
'.% -.00
4.% -.00
%.% -.006.% -.00
.% -.00
+.% -.00
,.% -.00
+0.% -.00
+.% 0.00
+2.% -.00
+'.% -.00
+4.% -.00
+%.% -.00
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G&>?$#' N@ 0:
T'9+' I.
"P/OM PH"
0.% 0.02
.2% 0.0+2 0.0+
2.% 0.06
'.% 0.06
4.2% 0.0
% 0.06
%.% 0.0+
6.% 0.0
.2% 0.04
+ 0.0+
+.% 0.06,.% 0.06
0.2% 0.06
0.06
.% 0.06
2.% 0.06
'.2% 0.04
4 0.06
4.% 0.04
%.% 0.06
6.2% 0.04
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0.04
.% 0.04
+.% 0.06
,.2% 0.04
20 0.04
20.% 0.06
2.% 0.04
22.2% 0.04
2' 0.04
2'.% 0.04
24.% 0.02
2%.2% 0.06
26 0.02
26.% 0.04
2.% 0.04
2+.2% 0.04
2, 0.04
2,.% 0.04
'0.% 0.04
'.2% 0.02
'2 0.04
'2.% 0.04
''.% 0.02
'4.2% 0.02
'% 0.04
'%.% 0.06
'6.% 0.02
'.2% 0.04
'+ 0.02
'+.% 0.04
',.% 0.02
40.2% 0.06
4 0.02
4.% 0.0442.% 0.02
4'.2% 0.04
44 0.04
44.% 0.02
4%.% 0.04
46.2% 0.04
4 0.04
4.% 0.02
4+.% 0.02
4,.2% 0.04
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%0 0.06
%0.% 0.02
%.% 0.04
%2.2% 0.04
%' 0.02
%'.% 0.04
%4.% 0.06
%%.2% 0.02
%6 0.06
%6.% 0.04
%.% 0.04
%+.2% 0.04
%, 0.04
%,.% 0.04
60.% 0.04
6.2% 0.0+
62 0.02
62.% 0.06
6'.% 0.06
64.2% 0.02
6%.% 0.0
6 0.06
6+.% 0.06
0 0.06
.% 0.0,
' 0.0,
4.% 0.0
6 0.4
.% 0.20
, 0.'2
+0.% 0.
+2 2.6%
+'.% 0.62
+% 0.2%+6.% 0.4
++ 0.
+,.% 0.0
, 0.06
,2.% 0.0+
,4 0.04
,%.% 0.06
, 0.04
,+.% 0.0'
00 0.04
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4,.% -'
%0.% -
%.% -'
%2.% -+
%'.% -22
%4.% -'
%%.% ,
%6.% 2
%.% 6
%+.%
%,.%
60.% '
6.% -2
62.% 2
6'.% 0
64.%
6%.% 0
66.% 0
6.% 0
6+.% 0
6,.%
0.% -
.% 0
2.%
'.% 0
4.% 0
%.% 0
6.% 0
.% 0
+.% 0
,.% 0
+0.% 0
+.%
+2.% -+'.% 0
+4.% 0
+%.% 0
G&>?$#' N@ 0: ) E)V
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T'9+' I.
"pro& 2pH"2
0.2% 1
0.% 0.06
.2% 0
.% -0.02
2.2% 0
2.% 0.04'.2% -0.04
'.% 0.02
4.2% 0.02
4.% -0.06
%.2% 0.04
%.% -0.02
6.2%-+.+++*-
6
6.% +.+++*-6
.2%-+.+++*-
6
.% +.+++*-6
+.2%-+.+++*-
6
+.% -0.02
,.2% 0.02
,.% -0.02
0.2% 0.02
0.% -0.02
.2% 0
.% 0
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2.2% 0.02
2.% -0.02
'.2% 0
'.% 0.02
4.2% -0.02
4.% 0
%.2%-+.+++*-
6
%.% .64*-%
6.2% -0.02
6.% 0.04
.2% -0.04
.% 0.02
+.2% .64*-%
+.%-.64*-
%
,.2% .64*-%
,.%-.64*-
%
20.2% .64*-%
20.% -0.02
2.2% 0.02
2.%-.64*-
%
22.2% -0.02
22.% 0
2'.2% 0.02
2'.% 0.02
24.2% -0.04
24.% 0.02
2%.2% -0.02
2%.% 0.02
26.2% -0.02
26.% 0.04
2.2% -0.04
2.% 0.02
2+.2% -0.02
2+.% 0.02
2,.2%-.64*-
%
2,.% -0.02
'0.2% 0.02
'0.%-.64*-
%
'.2% .64*-%
'.% -0.02
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'2.2% 0
'2.% 0.02
''.2% 0.02
''.% -0.04
'4.2% 0.02
'4.% .64*-%
'%.2% -0.02
'%.% 0.02
'6.2% 0.02
'6.% -0.04
'.2% 0.04
'.% -0.02
'+.2% .64*-%
'+.%
-.64*-
%',.2% .64*-%
',.%-.64*-
%
40.2% .64*-%
40.% 0.04
4.2% -0.06
4.% 0.04
42.2%-.64*-
%
42.% -0.04
4'.%-.+42*-
%
44.% 0.0%
4%.% +.+++*-6
46.%-+.+++*-
6
4.% 0.0'
4+.% +.+++*-6
4,.% 0.0
%0.% 0.04
%.% 0.06
%2.% 0.2
%'.% 0.',
%4.% .,4
%%.% -2.0'
%6.% -0.'
%.% -0.
%+.% -0.0'
%,.% -0.0
60.% -0.04
6.% 0.02
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62.% -0.04
6'.% 0.02
64.% -0.02
6%.% -0.0
66.% 0.0
6.% -0.0
6+.% .64*-%
6,.% -0.0
0.% 0.0
.% .64*-%
2.% -0.0
'.% 0
4.% 0.0
%.% -0.02
6.% 0.0
.% 0
+.% -0.02
,.% 0.02
+0.% .64*-%
+.% -0.0
+2.% 0
+'.% 0
+4.% 0.02
+%.% -0.02
G&>?$#' N@0: V-&o% N'O< 8 2pH/V2
C'97'+, * ,&9*'* +* '9+*2 (W) +* '!&* %'9,:
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TABLA II: VINAGRE TINTO
"aOH " pH
0 ... '.2
0.% 0.% '.2%
0.% '.26
.% 0.% '.2+
2 0.% '.'
2.% 0.% '.'4
' 0.% '.''.% 0.% '.4
4 0.% '.4'
4.% 0.% '.4
% 0.% '.%
%.% 0.% '.%'
6 0.% '.%
6.% 0.% '.%,
0.% '.6'
+ '.6,
, '.40 '.+
'.+4
2 '.+,
' '.,4
4 '.,,
% 4.0'
6 4.0+
4.2
+ 4.%
20 2 4.24
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'.%0 '.,,
4.%0 4.0'
%.%0 4.0+
6.%0 4.2
.%0 4.%
,.00 4.24
2.00 4.'
2'.00 4.'+
2%.00 4.4%
2.00 4.%2
2,.00 4.6
'.%0 4.
'4.%0 4.+2
'.%0 4.,%
40.%0 %.
4'.%0 %.2,
46.%0 %.%6
4,.00 %.+
%.00 6.2
%2.%0 ,.%,
%'.2% ,.,4
%'.% 0.'
G&>?$#' N@ 0:
METODO DE LA PRIMERA DERIVADA
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%.00 0.42%
%2.%0 2.+
%'.2% 0.
%'.% 0.'+
G&>?$#' N@ 04:
C'97'+, ' '9+*2 +* '!&* ,:
V. DISCUSIN: S*! * +', +* '!&* * 4$0-4$W +* '9+*2. E ' &99' +*
+**&8'9 +* '9+*2 * ,%7, W +* 9+, '959,$ 9,8'&'+,
*, ',&* * '!&* ''2'+, ** * H 87/ 9+, ,&67*$ '
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;e contin
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'.6, %.% 0.++ '0 2.0+
.% '.+' 6 .0, '0.% 2.0,
2 '.,% 6.% .2' ' 2.
2.% 4.04 .'2 '2 2.2
' 4.6 .% .4 '' 2.'
'.% 4.24 + .4 '4 2.4
4 4.' +.% .%4 '% 2.
4.% 4.', , .%+ '6 2.
% 4.4% ,.% .6' ' 2.,
%.% 4.%2 20 .66 '+ 2.2
6 4.%, 20.% . ', 2.22
6.% 4.64 2 .4 40 2.2'
4. 2.% .6 4 2.24
.% 4. 22 .+ 42 2.2%
+ 4.+4 22.% .+2 4' 2.26
+.% 4.+, 2' .+4 44 2.2
, 4., 2'.% .+ 4% 2.2+
,.% %.0' 24 .+, 46 2.2,
0 %. 24.% ., 4 2.'
0.% %. 2% .,4 4+ 2.'
%.2% 2%.% .,% 4, 2.'2
.% %.'2 26 .,6 %0 2.''
2 %.4% 26.% .,,
2.% %.% 2 2
' %. 2.% 2.0
'.% %.++ 2+ 2.0'
4 6.2' 2+.% 2.04
>ra?ca 0 &edia alt3ra
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7/24/2019 Practica N 1
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2,
G&'?$#' 0) '"!"!
II.2 GRAFICAS DE LA PRIMERA DERIVADAT'9+' II.1Vpr ,pH/,V Vpr ,pH/,V
0.2% 0.4 0.0' 0.00
0.% 0.'6 0.' -0.04
.2% 0.2+ 0.6 0.02
.% 0.24 0.' 0.02.2% 0.+ 0. 0.0
2.% 0.24 0. -0.0
'.2% 0.6 0.0 0.0
'.% 0.2 0.0 0.0
4.2% 0.+ 0.0 -0.02
4.% 0.2 0.0+ 0.02
%.2% 0.4 0.06 -0.0
%.% 0.4 0.0 0.00
6.2% 0.0 0.06 0.00
6.% 0.2 0.06 0.0.2% 0.4 0.06 -0.0
.% 0.4 0.0 0.00
+.2% 0.0 0.06 0.0
+.% 0.6 0.06 -0.0
,.2% 0.2 0.0 0.00
,.% 0.6 0.0 0.00
0.2% 0.2 0.0 -0.0
0.% 0.6 0.0 0.0
.2% 0.4 0.0+ 0.00
.% 0.26 0.0 -0.0'
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2.2% 0.24 0.' -0.0
2.% 0.26 0.' 0.0
'.2% 0.'6 0.6 -0.0
'.% 0.0 0.2 -0.22
4.2% 2.4+ 0.+0 .66
4.% 6.02 2.' 0.4,
%.2% 0.+0 . -0.6%
%.% 0.42 0.' -0.0%
6.2% 0.2+ 0.+ -0.02
6.% 0.+ 0.2 -0.0
.2% 0.+ 0.0, 0.00
.% 0.2 0.0+ 0.00
+.2% 0.4 0.06 0.00
+.% 0.0+ 0.0% 0.00
,.2% 0.0 0.0% 0.00
,.% 0.06 0.04 0.00
20.2% 0.0 0.04 0.00
20.% 0.06 0.04 0.00
G&'?$#' N@ 0
T'9+' II.)Vpr ,E/,V
0.2% -+.00
0.% -22.00
.2% -6.00
.% -4.00
2.2% -0.00
2.% -4.00
'.2% -0.00
'.% -6.00
4.2% -2.00
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4.% -6.00
%.2% -+.00
%.% -+.00
6.2% -+.00
6.% -6.00
.2% -+.00
.% -+.00
+.2% -6.00
+.% -+.00
,.2% -+.00
,.% -+.00
0.2% -0.00
0.% -+.00
.2% -+.00
.% -4.00
2.2% -6.00
2.% -4.00
'.2% -22.00
'.% -40.00
4.2% -46.00
4.% -'%0.00
%.2% -%0.00
%.% -24.00
6.2% -6.00
6.% -2.00
.2% -0.00
.% -+.00
+.2% -6.00
+.% -6.00
,.2% -6.00
,.% -4.00
20.2% -4.00
20.% -4.00
2.2% -4.002.% -4.00
22.2% -2.00
22.% -2.00
2'.2% -2.00
2'.% -4.00
24.2% -2.00
24.% -4.00
2%.2% -2.00
2%.% 0.00
26.2% -2.00
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III.2 GRAFICAS DE LA SEGUNDA DERIVADA
T'9+' III.1Vpr ,2 E/,V2
0.2%
0.% -4
.2% 6
.% 2
2.2% 4
2.% -4
'.2% 4'.% 4
4.2% -6
4.% 6
%.2% -2
%.% 0
6.2% 0
6.% 2
.2% -2
.% 0
+.2% 2+.% -2
,.2% 0
,.% 0
0.2% -2
0.% 2
.2% 0
.% -6
2.2% -2
2.% 2
'.2% -+
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'.% -+
4.2% -06
4.% -204
%.2% '00
%.% 26
6.2% +
6.% 4
.2% 2
.% 2
+.2% 2
+.% 0
,.2% 0
,.% 2
20.2% 0
20.% 0
2.2% 0
2.% 0
22.2% 2
22.% 0
2'.2% 0
2'.% -2
24.2% 2
24.% -2
2%.2% 2
2%.% 2
26.2% -2
26.% -2
2.2% 4
2.% -2
2+.2% 0
2+.% 0
2,.2% 2
2,.% -2
'0.2% 0'0.% 0
'.% 0
'2.%
''.% -
'4.% 0
'%.% 0
'6.% 0
'.%
'+.% -
',.% 0
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.% .6'6*-%
+.2% -0.04
+.% 0.06
,.2% -0.04
,.% 0.04
0.2% -0.04
0.% 0.04
.2% -0.02
.% 0.2
2.2% -0.02
2.% 0.02
'.2% 0.
'.% 0.'4
4.2% .+
4.% '.%4
%.2% -%.22
%.% -0.'+
6.2% -0.4
6.% -0.
.2% 0
.% -0.06
+.2% 0.02
+.% -0.06
,.2% 0.02
,.% -0.04
20.2% 0.04
20.% -0.04
2.2% -0.02
2.% 0.04
22.2% -0.04
22.% 0
2'.2% 0.02
2'.% -0.02
24.2% -'.%%2*-%24.% 0.02
2%.2% -0.04
2%.% '.%%2*-%
26.2% 0.04
26.% -0.04
2.2% 0
2.% 0.02
2+.2% -0.02
2+.% '.%%2*-%
2,.2% -'.%%2*-%
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2,.% 0.02
'0.2% -0.02
'0.% 0.02
'.% -0.0'''''''
'2.% .6'6*-%
''.% -.6'6*-%
'4.% 0.02
'%.% -0.0'
'6.% 0.02
'.% -0.0
'+.% 0.0
',.% -0.0
40.% 0
4.% 0
42.% 0
4'.% 0
44.% 0
4%.% 0
46.% .6'6*-%
4.% -.6'6*-%
4+.% 0
4,.% 0
G&'?$#' 0:
DETERMINACIN DE ACIDE; DE VINAGRE TINTO
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DISCUSIN:
- S*! * +', +* '!&* * 4$0-4$W +* '9+*2. E ' &99' +* +**&8'9+* '9+*2 * ,%7, ?.