DETERMINACION DE ACIDEZ EN HARINA DE TRIGO.doc INSTITUTO SUPERIOR TECNOLOGICO PÚBLICO “HUANTA”INDUSTRIAS ALIMENTARIAS VMODULO PROFESIONAL : TECNOLOGIA TECNOLOGIA DE GRANOS, GRANOS, CEREALES CEREALES YTUBERCULOS YTUBERCULOS UNIDAD DIDACTICA : CONTROL DE CALIDAD INFORME DE PRCTICA N! "# DETERMINACION DE ACIDEZ TITULABLEDE LA HARINADOCENTE : ING. ILLANES PALOMINO, P$%c&
INTRODUCCION E' $( )%$*$'+$ +%-o *$ d co'oc$% *o-%$ ( #! )%/c+0c %$(01d:d$+$%20' %$(01d:d$+$%20'c03' c03' d$ ( c0d$1 +0+4(-($ $' ( 5%0' d$( +%06o. E' ( 74$ *$ d$+(($( )%oc$d020$'+o, (o* 2+$%0($* 4+0(01do*, (o* c/(c4(o*, $+c
OB8ETIVOS 9Co'oc$% ( +c'0c d$ )%$)%c03' d$ ( 24$*+% )% %$(01% $( '/(0*0*d$ ( c0d$1. 9co'oc$% ( 02)o%+'c0 d$( '/(0*0* ;o(42+%0co )o% '$4+%(01c03' & *4)(0cc03' $' (o* (02$'+o*. MARCO TEORICO L c0d$1 +0+4(-($ $* $( )o%c$'+$ d$ )$*o d$ (o* /c0do* co'+$'0do* $' $()%od4c+o. $()%od4c+o. S$ d$+$%20' d$+$%20' )o% 2$d0o d$ +0+4(c03' '$4+%(01'do (o* 0o'$* H< d$(/c0do, co' 4' *o(4c03' d$ NOH d$ co'c$'+%c03' co'oc0d. T0+4(c03' $* (;(o%c03' d$ 4' *o(4c03' 2$d0'+$ *4 %$cc03' co' 4' c'+0dd 74$ *$ 20d$$=c+2$'+$ 20d$$=c+2$'+$ d$ 4' %$c+0;o ;(o%do o +0+4(do> $( )4'+o ?'( *$ 20d$ co' 4'0'd0cdo% )%o)0do.Po% )%o)0do.Po% (o +'+o ( ( c0d$1 )4$d$ *$% 2$d0d )o% +0+4(c03' co' 4' /(c(0, 5*+ 4')4'+o ?'( 74$ d$)$'d$ d$( 0'd0cdo% *$($cc0o'do & $( %$*4(+do *$ )4$d$$=)%$*% $' +%20'o* d$ 4' c0do $' )%+0c4(%.L c0d$1 $' 5%0'* 'o* )$%20+$ )%$c0% $( 6%do d$ d$+$%0o%o, 74$ 5')%od4c0do (o* 20c%oo%6'0*2o* $' ( 5%0'* @co';0%+0$'do $' c0do *4(%0co.E*+ *$ $=)%$* $=)%$* $' c0do *4(%0co, ( c0d$1 *$ d$+$%20' 2$d0'+$ +0+4(c03'co' 4' /(c(0, $*+$ 2+odo *$ -* $' ( '$4+%(01c03' d$ (o* 0o'$* d$50d%36$'o d$( c0do co' 4' -*$ d$ co'c$'+%c03' co'oc0d, $( c2-0o d$c0d$1 ( (c(0'0dd d$ d$+$%20' d$+$%20' )o% %$c+0;o 0'd0cdo% @$'o(+($' @$'o(+($' co'$( ;0%$ d$( co(o%.E' co(o%.E' (02$'+o* $( 6%do d$ c0d$1 0'd0c $( co'+$'0do $' /c0do* (0-%$*. S$d$+$%20' S$d$+$%20' 2$d0'+$ 4' ;(o%c03' @;o(42$+% co' 4' %$c+0;o -/*0co. E(%$*4(+do *$ $=)%$* co2o $( d$(
/c0do )%$do20''+$ $' $( 2+$%0(. E.: E'c$0+$* $* $( $' /c0do o( 0co, $' 142o d$ %4+* $* $( $' /c0do c+%0co, $'($c5$ $* $( $' /c0do (/c+0co. D$+$%20'c03' d$ Ac0d$1: L c0d$1 d$ 4' *4*+'c0 *$ )4$d$ d$+$%20'% )o% 2+odo* ;o(42+%0co*, $* d$c0%, 20d0$'do (o* ;o(2$'$*. *+ 2$d0c03' *$%$(01 2$d0'+$ 4' +0+4(c03', ( c4( 02)(0c *0$2)%$ +%$* 6$'+$* o 2$d0o*:$( +0+0('+$, $( +0+0(do & $( co(o%'+$.
C4'do 4' /c0do & 4' -*$ %$cc0o'', *$ )%od4c$ 4' %$cc03'> %$cc03'74$ *$ )4$d$ o-*$%;% co' 4' co(o%'+$. U' $$2)(o d$ co(o%'+$, & $( 2/*co2', $* ( $'o(+($' @C" H# O#, 74$ ;0% @c2-0 d$ co(o% %o*c4'do *$ $'c4$'+% )%$*$'+$ 4' %$cc03' /c0do-*$.E( 6$'+$ +0+0('+$ $* 4' -*$, & $( 6$'+$ +0+0(do $* $( /c0do o ( *4*+'c0 74$co'+0$'$ $( /c0do. MATERIALES Y EJUIPOSE740)o*, 0'*+%42$'+o* & 2+$%0($*: 9P0)$+9B4%$+9So)o%+$ U'0;$%*(9M+%1 E%($'2$&$% 9B64$+ o ;%0(( d$ ;0d%0o9B('19F0o( d$ ""2(.9P0c$+9E2-4do d$ ;0d%0o9L4' d$ %$(o9V*o d$ )%$c0)0+do R$c+0;o*: 9So(4c03' d$ NOH d$c0'o%2( K"9So(4c03' (co53(0c d$ $'o(+($' ( 9A64 d$*+0(d. PROCEDIMIENTO EPERIMENTAL S$ *064$ $( *0640$'+$ )%oc$d020$'+o:
)%$)%% NOH ".N
P% )%$)%% $*+ *o(4c03' d$ NOH, *$ 501o (o* c/(c4(o* '$c$*%0o*.S$ )%$)%o )% ""2( )% (o c4( *$ 4+0(01o ".# 6% d$ 50d%3=0do d$*od0o.
S$ (($'3 4' -4%$+ co' 4' *o(4c03' d$ H0d%3=0do d$ Sod0o ". N,)%$;02$'+$ )%$)%d.
S$ )$*o 6% d$ 5%0' ( c4( *$ ($ d03 ""2( d$ 64 d$*+0(d, &*$ 60+o. S$ co(oco $' -o 2% d$ #"!C "!C )o% 4' $*)c0o d$ #20'.
U' ;$1 )*do $*+$ +0$2)o *$ ($ 6%$6o "2( d$ 64 d$*+0(d> &*$ )%oc$d03 ( ?(+%do co' &4d d$ 4' +$(.
S$ ?(+%o do* 2+%c$* co'+$'0$'do cd 4'o ""2(. Y ( 74$ *o-%o*$ ($ d03 64 d$*+0(d )% ;$% (* ;%0c0o'$* $' (o* 6*+o* & )o% $'d$ d$ ( c0d$1.
S$ ($ d0c0o'o Q 6o+* d$ $'o(+($' ( co2o 0'd0cdo%.
S$ d0c0o'o 6o+ 6o+ ( *o(4c03' d$ NOH, ( 20*2o +0$2)o 60+'do($'+2$'+$ $( 2+%1 co' ( 24$*+%, 5*+ 74$ ( *o(4c03' 24$*+% *$+o%'$ co(o% %o*.
S$ +o2o ( ($c+4% $' ( -4%$+ @$( 6*+o & *$ c(c4(o ( c'+0dd d$50d%3=0do d$ Sod0o 6*+do )% '$4+%(01% ( c0d$1 d$ ( 24$*+%. CALCULOS
L c0d$1 d$( )%od4c+o *$ $=)%$* co2o $( )o%c$'+$ d$ )$*o d$( c0do74$ *$ $'c4$'+% $' ( 24$*+%. P% $( c/(c4(o d$ ( c0d$1 +0+4(-($ *$d$-$ co'oc$% 74$ /c0do *$ $'c4$'+% $' o%2 )%$do20''+$ $' (24$*+%. d$ Ac0d$1 G*+o d$ NOH N F 20(0$7. D$( c0do ""P$*o d$ ( 24$*+%F c+o% d$ ( *o(4c03' d$ NOH. @
PRUEBA N! " c. S4(%0co PRUEBA N! PRUEBA N! QPRUEBA N! #CONCLUSIONES 9 Lo6%2o* co'oc$% ( +c'0c d$ )%$)%% ( 24$*+% o *$ ( 5%0' $'-o 2%, 74$ $* co' ( ?'(0dd d$ 74$ (* c(4(* *4$(+$' ( c0d$1. 9 P4d02o* co'oc$% ( 02)o%+'c0 d$( +0)o d$ '/(0*0* %$(01do, 74$ $* $('/(0*0* ;o(42+%0co. RESULTADOS Y DISCUSIONES 9
E' (o* '/(0*0* %$(01do*, ( 24$*+% o $( +0+0(do *$ +o%'o 4' co(o% %o*24& c(%o, (o c4( 'o $* co%%$c+o *0 *$ 740$%$ o-+$'$% 4' -4$' %$*4(+do,$*+o *4c$d03 )o%74$ *$ +4;o 4' d$*c40do ( 2o2$'+o d$ +0+4(% (o 74$('1o +2-0' 4' %$*4(+do 0'co%%$c+o.S$6':
5++):KK2=.'*$%*.&5oo.co2K74$*+0o'K0'd$= 70d"""WX"WAA7HC+
Q. = ".N = = "."# = "" "."WW ".
d$ c. S4(%0co Q.Q = ".N = = "."# = "" "." "."
d$ c. S4(%0co . = ".N = = "."# = "" "."#
d$ c. S4(%0co .X = ".N = = "."# = "" "."#W
“E( )%oc$d020$'+o *$ %$(01 co' 4' $740)o d$ +0+0(c03' 74$ co'*0*+$ $' 4'-4%$+, 4' ;*o d$ )%$c0)0+do, 4' *o)o%+$ 4'0;$%*( & 4' '0((o co' *4 '4$1. S$d0c0o'' +%$* o c4+%o 6o+* d$ $'o(+($' @o co(o%'+$ & *$ co20$'1 +0+4(% @d$% c$% 6o+ 6o+ d$( 6$'+$ +0+0('+$ *o-%$ $( +0+0(do5*+ o-+$'$% 4' (06$%o ;0%$ %o* @$' $( c*o d$ ( $'o(+($'
74$ d4%$ *$64'do*c4'do 2'02o. S0 $* 24& o*c4%o, ( +0+0(c03' 5 %c*do” 9 L* 24$*+%* d$ 5%0' '(01d* ('1%o' d0$%$'+$* %$*4(+do* d$-0do 74$ *$ 501o d$ 2'$% d0*+0'+ ( +0+4(c03', co2o +2-0' $' (* do*(+02* 24$*+%* *$ d03 64 d$*+0(d, )% ;$% ( ;%0c03' d$ (o*%$*4(+do*. P$%o $*+o* %$*4(+do* $*+/' d$'+%o d$ (o )$%20+0do.S$6': 5++):KK.doc*+oc.co2Kdoc*KX##QKNo%2*o?c0()%5%0'd$+%06o Ac0d$1 2/=02o ", d$ c0d$1 CUESTIONARIO.C4/( $* $( 4'd2$'+o d$( 2+odo d$ +0+4(c03' d$ ( c0d$1 +o+( E* $( )%oc$d020$'+o 4*4( )% d$+$%20'% ( co'c$'+%c03' +o+( d$/c0do*, 4' (c4o+ d$ ( *o(4c03' 74$ co'+0$'$ $( c0do *$ +0+4( co'4' *o(4c03' $*+/'d% d$ /(c(0 5*+ $( )4'+o $' $( c4( 4' c'+0dd$740;($'+$ d$ ( -*$ *0do d0d. E*+$ )4'+o ?'( )4$d$d$+$c+%*$ 2$d0'+$ 0'd0cdo%$* @c2-0o d$ co(o%, $($c+%o2+%0c2$'+$@)H2$+%o, $+c. .J4$ P)$( c42)($ $( %$c+0;o 0'd0cdo%, & $=)(074$ $*$ %o( d$ ($'o(+($' $' ( )%/c+0c.R$c+0;o I'd0cdo% *4*+'c0 '+4%( o *0'++0c 74$ c2-0 d$ co(o% $' %$*)4$*+ ( '+4%($1 d$ *4 2$d0o 7420co. Lo* 0'd0cdo%$* *$4+0(01' )% o-+$'$% 0'o%2c03' *o-%$ $( 6%do d$ c0d$1 o )H d$ 4'*4*+'c0, o *o-%$ $( $*+do d$ 4' %$cc03' 7420c $' 4' d0*o(4c03'74$ *$ $*+/ ;(o%'do o '(01'do. U'o d$ (o* 0'd0cdo%$* 2/*'+064o* $* $( +o%'*o(, 4' +0'+$ ;$6$+( 74$ d740$%$ co(o% %oo $' (*d0*o(4c0o'$* /c0d* & 14( $' (* -/*0c*. O+%o* 0'd0cdo%$* *o' (
(01%0', $( %oo d$ 2$+0(o & ( $'o(+($'> cd 4'o d$ $((o* $* +0( $'4' 0'+$%;(o )%+0c4(% d$ c0d$1 o )% 4' c0$%+o +0)o d$ %$cc03'7420c. L $'o(+($' $* 4' [0'd0cdo% /c0do-*$[ $( c4( $' 2$d0o /c0do $*0'co(o%o & $' 2$d0o -/*0co, +o2 co(o%c03' ;0o($+ o %o* d$-0do ($*+%4c+4% d$( co2)($o +%'*0+o%0o 74$ o%2 $' $*$ 2$d0o. L0'+$'*0dd d$( co(o% 42$'+ 2$d0d 74$ $( )H, *$ 5c$ 2/* -/*0co.C4'do 4' /c0do & 4' -*$ %$cc0o'', *$ )%od4c$ 4' %$cc03'>%$cc03' 74$ *$ )4$d$ o-*$%;% co' 4' co(o%'+$. U' $$2)(o d$co(o%'+$, & $( 2/* co2', $* ( $'o(+($' @C" H# O#, 74$ ;0%@c2-0 d$ co(o% %o* c4'do *$ $'c4$'+% )%$*$'+$ 4' %$cc03'/c0do-*$.
Q.C4/( $* ( No%2 O?c0( P$%4' 74$ %$64( $( co'+$'0do d$c0d$1 $' 24$*+%* d$ 5%0' d$ +%06o $ 0'd074$ *0 ( 24$*+%c42)($ co' (o $*+-($c0do $' ( No%2 O?c0( P$%4' d$ c4$%do( d$ Ac0d$1 74$ d$+$%20'3 $' *4 24$*+% L* 'o%2* +c'0c* )$%4'* +0$'$' 4' co*+o )o% (o 74$ 'o *$ )4docc$d$%. P$%o 5c0$'do 4' co2)%c03' co' (o* d+o* -0-(0o6%/?co*$*+ d$'+%o d$ (o* %'6o* )$%20+0do*. Ac0d$1 2/=02o ", d$ c0d$1 M/=. X" 26 )o% "" 6 d$ 5%0' %$*)$c+o ( 2+$%0 *$c$=)%$*d co2o /c0do *4(%0co
E* 24& 02)o%+'+$ d$+$%20'% ( c0d$1 $' (* 5%0'* & 74$ $*+*)%4$-* 'o* 0'd0c' $( $*+do $' 74$ *$ $'c4$'+%' (* 20*2*. No*)$%20+$ )%$c0% $( 6%do d$ d$+$%0o%o, 74$ 5' )%od4c0do (o*20c%oo%6'0*2o* $' ( 5%0' co';0%+0'do(o $' c0do *4(%0co. BIBLIOGRAF\A 9 5++):KK.*c%0-d.co2KdocKX"QXKI'o%2$d$L-B0o74020c 9 5++):KK.*c%0-d.co2KdocK#XKP%c+0c"c0d$1+0+4(-($ 9 5++):KK2=.'*$%*.&5oo.co2K74$*+0o'K0'd$= 70d"""WX"WAA7HC+ 9 5++):KK.c0$'*.4c;.;$:""K6$'$%do%K*0+$*K22$d0'K%c50;o*KP%c+0c" "c0d$1"+0+4(-($.)d 9 .6%c+.co2K...KP%c+0c,P%o)0$dd$*d$(H%0'd$T%06o BD.doc ] 9 5++):KK.(02$'+o*%6$'+0'o*.6o;.%K"QK'o%2+0;Kcod$=K*+'K .PDF 9 5++):KK.doc*+oc.co2Kdoc*KX##QKNo%2*o?c0()%5%0'd$+%06o
PRCTICA N^#: ENSAYO DE DETERMINACI_N DE ACIDEZ EN HARINAS ] MTODO VOLÚMETRICO, YDETERMINACI_N DE P5 EN HARINASI.
OB8ETIVOS
M$d0'+$ ( )%$*$'+$ )%/c+0c $*+-($c$%$2o* $( 2+odo )% ( d$+$%20'c03' d$ ( c0d$1 $' 5%0*)o% $( 2+odo ;o(42+%0co.
D$+$%20'% 5c0$'do 4*o d$ 0'*+%42$'+o* &Ko $740)o* $( )H d$ (* 24$*+%* d$ 5%0'. II.
MARCO CONCEPTUAL L* 5%0'* o-+$'0d* d$ c$%$($*, ($6420'o**, $+c. P%$*$'+' co2o )%o)0$dd$* c%c+$%*+0c* 4' ;(o% d$ )H &d$ c0d$1 +o+( +0+4(-($ @ATT 74$ )4$d$' 0d$'+0?c%(* 4'* d$ o+%*.
E( )H d$ ( 5%0' d$ +%06o 4*4(2$'+$ %$c$ $'+%$ W." & W. @B$''0o' X. U' ;(o% 0'$%0o% *0'0?c ( )o*0-($)%$*$'c0 d$ *4*+'c0* c(o%d* 4+0(01d* co2o -('74$do%$*, (* c4($* )4$d$' *$% d$+$c+d* d$+$%20''do( c0d$1 d$ ( 5%0'. L* *4*+'c0* -('74$do%* )% $( -('74$20$'+o d$ ( 5%0' *$ 4+0(01' )% do*o-$+o*: B('74$% (* 5%0'* ( P%
d$*+%40% (o* c%o+$'o0d$* )%$*$'+$*.
2$o%% *4* )%o)0$dd$* $' $( 2*do d$ (* 5%0'* ( 2od0?c% ( $*+%4c+4% d$( 6(4+$'.Lo* $'32$'o* 02)(0cdo*, o=0dc0o'$* $' 2-o* c*o*, *o' *$2$'+$* (o* 74$ *$ )%od4c$' d$ o%2 '+4%(c4'do *$ d$ $';$$c$% ( 5%0'. L ATT *$ d$?'$ co2o ( c'+0dd +o+( d$ 50d%36$'o +0+4(-($$' $( $=+%c+oc4o*o d$ 4' d0(4c03' d$ 5%0' & 74$ )%o;0$'$ d$ (o* /c0do* o%6/'0co* 74$ *o' co'*+0+4&$'+$* $*+%4c+4%($*. EL d$ ATT 'o d$-$ *$% *4)$%0o% ( ". $' $( c*o d$ 5%0'*.L c0d1 d$( $=+%c+o c4o*o 42$'+ co'$( +0$2)o d$ (2c$'20$'+o & *$c(c4(: co2o /c0do *4(%0co. @2( d$ NOH "."."#6 d$ HSO#
E( 20(0740$;($'+$ d$( Ac. S4(%0co: "."E* 02)o%+'+$ co'oc$% $( )H & ( ATT d$ (* 5%0'* d$-0do (o* 4*o*, d$ $*+ $')'0?cc03'. H%0'* co' $($;do* ;(o%$* d$ )H & ATT )4$d$' (($6% 2od0?c%6%'d$2$'+$ (* )%o)0$dd$* *0c*, 7420c* & %$o(360c* d$ (* 2** $' (*c4($* *$ $2)($'. III.MATERIALES, EJUIPOS Y REACTIVOSM4$*+%*: H%0'* d$ +%06o &
d0;$%** 5%0'* d$ o+% 4$'+$ @%;$%*, 5-*, *o&, c$'+$'o, 21, &4c, $+c. R$c+0;o*:So(4c03' d$ 50d%3=0do d$ *od0o NOH ".N So(4c03' 0'd0cdo% d$ $'o(+($' ( A64 d$*+0(d
E740)o* & o+%o*: B('1 '(+0c, co' *$'*0-0(0dd d$ ".26 Po+$'c032$+%o V*o*
o )H 2$+%o
& $%($'2$&$% d$ Q"", ", & c2
Q E2-4do*
d$ ;0d%0o
M+%c$*
o%do* d$ ""c2Q
Mo(0'0((o &Ko
)0cdo% 74$ )$%20+' o-+$'$% )%+c4(* d$( +2o 74$ $*)$c0?c cd 'o%2. P%o-$+
d$ ""c2Q
P0)$+ ;o(42+%0c d$ "2( d$
c)c0dd