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Table 3 Photoinduced degradation and transformation products of imidacloprid under different conditions; values refer to the percentage of the maximum of the c-t curve relative to initial imidacloprid concentration

From: In silico ecotoxicity assessment of photoinduced imidacloprid degradation using HPLC–HRMS, QSAR and ecotoxicity equivalents

Substance

UVA /%

UVA + 5% tert-butanol/%

UVA + TiO2 P25/%

UVC/%

UVC + 5 mg humic acid/%

UVC + 5% tert-butanol/%

UVC + 20% tert-butanol/%

Imidacloprid

X

X

X

X

X

X

X

Imi288

  

1.8

    

Imi281

     

6.3

9.3

Imi272

  

7.6

    

Imi243a

  

1.4

1.4

1.5

  

Imi243b

  

2.5

    

Imi228

   

4.2

5.5

  

Imi227

   

26.1

20.8

22.8

8.16

Imi226a

   

2.3

5.0

  

Imi226b

   

1.0

1.7

  

Imi225

   

2.3

2.3

8.9

 

Imi224

   

2.1

6.7

8.4

2.3

Imidacloprid-urea

   

48.8

67.8

90.8

40.4

Desnitro-imidacloprid

6.1

7.0

 

21.4

39.6

64.6

 

Desnitro-olefin-imidacloprid

7.0

6.7

 

4.2

4.7

  

Imi197

   

1.2

1.8

2.1

 

Imi194

   

3.1

3.0

7.5

1.5

Imi193

   

2.8

2.4

6.6

1.4