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3/9/2017
2
•
Chemical Structure of 653 multi-residue pesticides in tea for AOAC
Official Method 2014.19 First action
3
283
133
83
51
36
14
53
0
50
100
150
200
250
300
Organonitrogen Organophosphorus
Organochloride
Carbamate
Pyrethroid
Organicsulfur
Others
Pesticides
Organonitrogen Organophosphorus
Organochloride Carbamate Pyrethroid
Organicsulfur Others
Quantities
283
133
83
51
36
14
53
Ratios
43.3%
20.4%
12.7% 7.8% 5.5% 2.1% 8.1%
Pesticide quantities and ratios (%)
•
Physiology (biological function) of 653 multi-residue pesticides in tea
for AOAC Official Method 2014.19 First action
4
Pesticide quantities and ratios (%)
Pesticides
Insecticide
Herbicide Bactericide
Plant growth
regulator
Rodenticide Repellent
Others
Quantities
302
190
132
14
3
2
10
Ratios
46.2% 29.1% 20.2%
2.1%
0.5% 0.3% 1.5%
302
190
132
14
3
2
10
0
50
100
150
200
250
300
350
Insecticide
Herbicide
Bactericide
Plant growth
regulator
Rodenticide
Repellent
Others