Page 113 - 006

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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