Solvent

Sample 1#

Sample 2#

Sample 3#

Sample 4#

Sum

Ethyl acetate

2430.9

1829.4

2826.3

1090.4

8177.0

Acetone

2094.8

1861.4

2278.6

1074.2

7309.1

n-Hexane

1755.7

1773.0

2168.7

1098.7

6796.2

Mathanol

1619.0

2191.5

2373.3

1088.7

7272.4

Ethanol

2011.8

1959.2

2763.0

1104.7

7838.6

Acetonitrile

2322.2

1921.1

2670.3

1099.9

8013.4

Dichloromethane

2294.3

2268.8

2434.5

981.0

7978.6

Petroleum ether

2034.5

1855.0

1922.5

978.4

6790.4

t-Butyl methyl ether

1221.4

1703.8

1944.9

780.4

5650.4

Ethyl acetate/dichloromethane(1:1,V/V)

2088.4

1982.3

2451.9

1070.3

7592.8

n-Hexane/acetone(1:1,V/V)

1693.7

1771.0

1949.8

823.3

6237.8