[KSCN]

(mM)

Extraction yield (%)

Species (%)

[R3CH3N+∙Cl]

[R3CH3N+∙SCN]

Cd2+

Cd(SCN)2aq

0.0

55.1

55.9

57.5

100

0.0

0.0

0.0

10

87.7

63.2

90.1

0.2

34.6

58.3

0.6

50

87.6

88.3

91.6

0.0

7.5

85,0

7.3

100

89.7

89.6

94.9

0.0

3.3

80.5

16.1