Page 113 - 006
P. 113
107
+
)
7
( * ((! chlopyrifos ' stock solution 10,202.05 ppm
/
9.8 acetone 5( 100 ( " volumetric flash ( 100
* 5( Intermediate solution Ι 1,000 ppm 100
2) Intermediate solution Ι ΙΙ ΙΙ ΙΙ Ι
Intermediate solution ΙΙ 100 ppm 100
M 1 V 1 = V 2
M
2
, 1 000×V 1 = 100× 100
100× 100
V =
1
, 1 000
V 1 = 10
( * ((! chlopyrifos ' Intermediate solution Ι 1,000 ppm
7
+
)
/
10 acetone 5( 100 ( " volumetric flash ( 100
* 5( Intermediate solution ΙΙ 100 ppm 100
3) Working solution
working solution 0.5 ppm 100
M
M 1 V 1 = V 2
2
100×V 1 = 5 . 0 × 100
5 . 0 × 100
V 1 =
100
V 1 = 5 . 0
)
7
( * ((! chlopyrifos ' Intermediate solution ΙΙ 100 ppm
+
/
0.5 acetone 5( 100 ( " volumetric flash ( 100
/
)
* 5( working solution 0.5 ppm 100 ((! chlopyrifos '
Intermediate solution ΙΙ 100 ppm 1.0, 1.5, 2.0 2.5 acetone
5( 100 ( " volumetric flash ( 100 * 5( working solution 1.0, 1.5,
2.0 2.5 ppm 1 ( #
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