HAEMOGLOBIN ESTIMATION USING PHOTOELECTRIC CALORIMETER
!
! "
#
" " "# !
# #
$ % &' ()* ," -" . * / '
0 !"
+'
A machine with a photoelectric cell is substituted for human eye &measures changes in the optical density of solutions. The depth of colour depends on the concentration of the coloured substance in the solution & can be determined by passing a light through the solution &measuring the amount of light transmitted through it.
%*'
,1 2()* )( 34 5 2 ()* + % 2, 4)6 *
! "
" " "
%) 3)2*' ,1 2()*
)( 34 5 2 ' 4&* 2
" " '* 2+ %+ ' 4&* 2
7 8
)( 34 5 2
()*
+
!
"
# $ $ " ! )
'
% (
&
,
:
# + # +
92 9 # 78
+$ 2* 3)' )
; ! <
( '
! !
' 5 , * *
/ /
% =>7 ?@A # B A
# ,(,B
$