Thursday, July 2, 2009

Finding Pesticide concentrations in % and in ppm

Spray adjuvants and spray concentrations
Table to find Pesticide concentration in % and in ppm

Pesticide Oty.
in ml or gms
Water Qty.
Concentration %
ppm
Parts per milliliter
10
1 Litre
1%
1000 ppm
5
1 Litre
0.5%
500 ppm
3
1 Litre
0.3%
300 ppm
2
1 Litre
0.2%
200 ppm
1.333
1 Litre
0.1333%
133 ppm
1 gram
(1000 milligram)
1 Litre
0.1%
100 ppm
0.0500 gram
(500 milligram)
1 Litre
0.05%
50 ppm
0.0333 gram
(333 milligram)
1 Litre
0.033%
33 ppm
0.0300 gram
(300 milligram)
1 Litre
0.03%
30 ppm
0.0200 gram
(200 milligram)
1 Litre
0.02%
20 ppm
0.0100 gram
(100 milligram)
1 Litre
0.01%
10 ppm

1 ml = 0.001 litre; 1 mg = 0.001 gm

(Readers comments for the minor discrepancy in the above chart is eagerly awaited)

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