Page 105 - 006
P. 105
99
6.3.3 !F # $ = $r_ : ; $I8? 4 % ;I; % 4 (EC)
71
71
)
0
/
! Q ' " " " ' #
* "H+
/
71
)
! # !0'L f ! " % malathion 50% EC "&
7
67
7
67
! " 100 * ! malathion 50
%
&1
7
1
71
/
Y
6
1
7
! "'3! .6/ ' * * , , '
* ' /
/
1
/
* %& H * . 5 ! "'
.6/ 5( ! ' /
H)
" %_ 5
71
% " chloropyrifos 50% EC
/ .6/ '* 3! &1
/
1
& 1,000 ppm 100 (1,000 ppm = 0.1%)
M
M 1 V 1 = V 2
2
50×V 1 = 1 . 0 × 100
1 . 0 × 100
V 2 =
50
= 2 . 0
/ &6 % chloropyrifos 50% EC 200 71 & # 100
" %_ 6
71
71
% " dimethoate & 2% 400 " Q
dimethoate 40% EC * % ! Q dimethoate
/
M
M 1 V 1 = V 2
2
40×V 1 = 2× 400
2× 400
V 2 =
40
= 20
/ &6 % dimethoate 40% EC 20
% 400 £ 20 = 380 ( 6 71 & # 400 )
("' 5 3) %! & * 5 ' ' #H+ & H *1 . ! &
/
7
" . * 5 #5 - % ' 6/ ( " ( ' 9# * * H6
6
7
0
+
/
! & Q ("' / 5 & & H *1 . '
# 1
