5,11,17,23,29,35-hexaoctyloxy-37,38,39,40,41,42-hexakis[(N,Ndiethylaminocarbonyl)methoxy]calix[6]arene

NEA7 structure

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General infos Separation factors Distribution coefficients References

Abbreviation(s)

NEA7

Chemical group

calixarene

Formula

C₁₂₆H₁₉₈N₆O₁₈ CHON

Molecular mass

2084.994 g/mol

Separation factors

Factor	Value	Conc.	Add. ligand	Aq. acid	Organic diluent	Temp.	Contact time	Additional	Ref.
Sr/Na	>800	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min		[1]

Distribution coefficients

Element	Value	Conc.	Add. ligand	Aq. acid	Organic diluent	Temp.	Contact time	Additional	Ref.
Li	0.24	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Na	0.21	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
K	0.15	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Rb	0.24	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Cs	0.62	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Mg	0.16	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Ca	1.62	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Sr	2.58	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Ba	3.02	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Na	<0.001	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min		[1]
Sr	0.8	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min		[1]
Cs	<0.001	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min		[1]
Co	<0.001	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	4M NaNO3	[1]
Sr	1.09	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	4M NaNO3	[1]
Cs	<0.001	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	4M NaNO3	[1]
Eu	<0.001	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	4M NaNO3	[1]

References

doi:10.1021/ja016597f