QC test on flour

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quality control on flour
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  TITTLE : QUALITY CONTROL TEST OF FLOUR  DATE OFEXPERIMENTS  : 03.07.2013 INTRODUCTION Nowadays, th! a! a#y ty$s o% &o'! that a! a(a)*a+* )# %ood)#d'st!y. It )s o# o% ) $o!ta#t !aw at!)a* 'sd to a +!ad, $ast!)s a#d a#y o!. Th! a! a#y way to )#d)-at th 'a*)ty o% &o'!. O# o% th )s +y $hys)-a* a#a*ys)s. O# o% th -o $o##ts that a! (!y ) $o!ta#t %o'#d)# &o'! )s /*'t#. )!#t &o'! has d)!#t a o'#t o% /*'t#. *'t# )s a$!ot)# -o $os)t %o'#d )# %oods $!o-ssd %!o what a#d !*atd /!a)#s$-)s, )#-*'d)#/ +a!*y a#d !y. *'t# )s a*so d#d as a -ohs)(,*ast)- $!ot)# that )s *%t +h)#d a%t! sta!-h )s washd away %!o &o'!do'/h.O# th oth! ha#d, tst)#/ th $4 o% &o'! )s !')!d wh# )t )s) $o!ta#t to #ow how '-h -h*o!)# has +# a$$*)d. Th o! -h*o!)#a$$*)d, th *ow! th $4. Us'a**y th $4 o% th &o'! %a**s w)th)# th !a#/ o% 5.065.. 4ow(!, +*a-h)#/ &o'! w)th -h*o!)# /as w)** -a's a %a** )# $4(a*'. 8a#wh)*, !#* ha!d#ss a*so -a# )#d)-at th 'a*)ty o% th &o'!wh! )t -a# a-t th a o'#t o% sta!-h da a/d d'!)#/ th )**)#/ $!o-ssa#d s'+s'#t*y th wat! !')! #ts o% th !s'*t)#/ &o'!. 9s)ds,/!a#'*a! s) )s a*so o# o% th 'a*)ty $a!a t! %o! &o'!. !a#'*at)o# $*aysa# ) $o!ta#t !o* )# #ad)#/ a#d a*so dt! )#s th s$d at wh)-h thdo'/h w)** !)s. Th!o'/h -h )-a* a#a*ys)s o% &o'!, ash -o#t#t )s a# ;t! *y) $o!ta#t as'! to #ow th $'!)ty o% a &o'! sa $* w)th !s$-t to +!a#-o#ta )#at)o#, +-a's th !s)d' ! a)#)#/ a%t! ash)#/ $!o-d'!!$!s#ts th )#!a* -o#t#t o% th sa $*. Th ash tst -a# a*so #s'!$!od'-t 'a*)ty wh! )t -a# )#) ) th !a-t)o# o% #y . 8a#wh)*,$!ot)# -o#ta)# )s a*so ) $o!ta#t -ha!a-t!)st)- %o! a!t)#/ a#d $'!-has)#/what. Th ha!d! th what, th h)/h! th $!ot)# -o#t#t a#d th sta+*th -o#s)st#-y. 8a#wh)*, o)st'! -o#t#t o(! 1<= -a# a-ts thsto!a/ 'a*)ty o% &o'! a#d what. At h)/h! o)st'! -o#t#ts, o*d /!owth,)#-!ass )# )-!o+)a* -o#t#t, a#d )#%stat)o# +y )#s-ts a! %a(o!d. 8o!o(!, th! a! a#y ty$s o% &o'! that ;)st )# %ood )#d'st!)s.Fo! ;a $*, !)- &o'! )s # &o'! ad %!o /!o'#d !)-. It )s -o $*t*y/*'t# %!. R)- &o'! -a# + 'sd as a th)-#! )# sa'-s, as a +!ad)#/ %o!%!)d d)shs a#d as th +as %o! (a!)o's +ad /oods. 9s)ds, -o!# &o'! )ssta!-h d!)(d %!o th -o!# /!a)#. Th sta!-h )s o+ta)#d %!o th  #dos$! o% th -o!# !#*. Co!# &o'! -a# + 'sd to a $ast!)s,-oo)s a#d -!a-!s. >h)*, s o*)#a &o'! )s th -oa!s*y /!o'#d#dos$! o% d'!' what. '!' what )s th ha!dst (a!)ty o% th s);-*asss o% what a#d has th h)/hst $!ot)# -o#t#t o% a** what. 9-a's o% th)s, )t )s )da* %o! a)#/ h)/h6'a*)ty $asta. O# o% th &o'! that )s (!y $o$'*a! a o#/ %ood )#d'st!y )s what&o'!. >hat &o'! )s )**d %!o th #t)! !#* o% what. Th!%o!, )t s+ad w)th who* what &o'! t#d to + ha()! a#d d#s! tha# thos ad %!o #!)-hd &o'!. O# o% th '#)' -ha!a-t!)st)- o% what &o'! )s )thas h)/h! a o'#t o% /*'t#. *'t# )s th what?s #at'!a* $!ot)#, a#d )t?swhat /)(s +ad /oods th)! st!'-t'!. >h# do'/h )s #add, ths/*'t#s d(*o$ a#d +-o  ! . Th h)/h! a o'#t o% /*'t# )# th)s &o'!a*so )#d)-at h)/h a o'#t o% $!ot)#. Th)s ;$!) #t w)** dt! )# th'a*)ty $a!a t! o(! th &o'! w)th d)!#t -h )-a* a#d $hys)-a*a#a*ys)s. OBJECTIVES 1.To dt! )# th $4 o% th what &o'!2.To dt! )# th a-)d)ty o% th what &o'!3.To dt! )# th -ha!a-t!)st)- o% d)!#t &o'! +y 's)#/ )-!os-o$)-;a )#at)o#<.To dt! )# th &o'! )#%stat)o# MATERIALS ã F*o'! ã >hat,!)-,-o!#,ta$)o-a ã )st)***d wat!,)od)#,a*-oho* ã 8);t'! o% /*y-!)# a#d wat! @0:0B ã h#o*$htha*)# )#d)-ato! ã 0.0 8 NaO4 ã 9a! ã $4 t! ã 9'!tts ã Co#)-a* &ass PROCEDURE A.$4 %o! O#*y >hat F*o'!  1.10 / o% &o'! was shad a#d );d w)th 100 L o% wat!2.Th );t'! was a**owd to sta#d %o! at *ast 30 )#'ts3.Th );t'! was *t!d<.Th $4 o% th *t!at was dt! )#d +y 's)#/ $4 t!9.A-)d)ty %o! O#*y >hat F*o'!1.1 / o% &o'! was shad w)th 200 L o% wat! )# a -o#)-a* &as2.Th -o#)-a* &as a*o#/ w)th th );t'! was $*a-d )# a wat!+ath at <0 C %o! 1 ho'! w)th th *oos*y sto$$!3.Th );t'! was t)t!atd a#d 100 L *t!at was addd w)th$h#o*$htha*)#<.100 L o% -*a! *t!at was t)t!atd w)th 0.0 8 sod)' hyd!o;)d so*'t)o#.Th -ha#/s o% -o*o'! was o+s!(d a#d !-o!dd5.Th a-)d)ty o% what &o'! )s -a*-'*atdC.8)-!os-o$)- E;a )#at)o# @ >hat, R)-, Co!# D Ta$)o-a F*o'! B1.A )#'t 'a#t)ty was $*a-d o# th s*)d2.A d!o$ o% a*-oho* was addd3.A %w d!o$s o% /*y-!)# a#d wat! );t'! @0:0B was addd<.Th sa $*s was -o(!d w)th a -o(! s*)$.E;-ss *)')d was ! o(d w)th a *t! $a$!5.Th sa $*s was ;a )#d '#d! )-!os-o$7.Th !s'*t o% th sta!-h d)a/!a was o+s!(d a#d !-o!dd.F*o'! )#%stat)o#1.0 / o% &o'! was w)/hd o#to a &at s'!%a-s2.Th &o'! was &att#d +y 's)#/ a !'*!3.Th &o'! was ;a )#d a%t! two )#'ts %o! ()d#-s o% $) $*)#/ %o! ;a $*s s'!%a- d)st'!+a#-<.Th !s'*t was o+s!(d a#d !-o!dd  RESULTS A.$4 %o! >hat F*o'!F*o'!$4A(!a/ >hat &o'!.3.3.2.39.A-)d)ty %o! >hat F*o'!I#)t)a*F)#a*T)t!0 L< L2 LCa*-'*at)o# : 1 L 0.0 8 NaO40.005 / G42O<G42O<T)t! ; 0.005 ; 100 >)/ht o% sa $*2 / ; 0.005 ; 100100 /0.0135 H
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