TABLE – I

RESULTS OF DIMETHOATE AND PHOSPHAMIDON COMPOUNDS DETECTION USING IODINE FUMING AS VISUALIZING AID AFTER EXTRACTION FROM TWO DIFFERENT SUBSTRATES (SOIL AND PAPER) (ROOM' TEMPERATURE 21.6oC - 28.90C)
	Dimethoate	Phosuhamidon	
	No. of Spots & hRf Values	No. of spots and hRf values	
Solvent System	Soil	Paper	Soil	Paper	
1	2
(16, 35)	2
(15, 36)	3
(10, 28, 30)	1
(10)	
2	3
(5, 17, 55)	3
(5, 17, 55)	3
(13, 23, 42)	4
(13, 18, 23, 43)	
3	3
(2, 24, 39)	4
(3, 4, 24, 39)	3
(14, 24, 61)	1
(14)	

•	The figures in parenthesis indicates hRf values after eight weeks.
•	The colours of the developed spots was brown or light brown in all samples examined.

1.	Hexane: Acetone (8 : 2).
2.	Cyc1ohexane : Acetone: Chloroform (70 : 25 : 5). 
3.	Benzene: Acetone (9 : 1).