49,50,51,52,53,54,55,56-octakis[(N,N-diethylaminocarbonyl)- methoxy]calix[8]arene

NEA13 structure

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General infos Separation factors Distribution coefficients References

Abbreviation(s)

NEA13

Chemical group

calixarenes

Formula

C₁₀₄H₁₃₆N₈O₁₆ CHON

Molecular mass

1754.272 g/mol

Separation factors

Factor	Value	Conc.	Add. ligand	Aq. acid	Organic diluent	Temp.	Contact time	Additional	Ref.
Sr/Na	>8300	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.
Ba	4.1	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Eu	0.17	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	8.3	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min		[1]
Cs	0.01	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	1.3	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	4M NaNO3	[1]
Cs	0.03	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]
Li	0.04	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Na	0.05	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
K	0.06	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Rb	0.05	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Cs	1.62	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Mg	0.03	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Ca	0.37	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]
Sr	1.61	0.00025 M			Dichloromethane	20°C	60 min	H2O	[1]

References

doi:10.1021/ja016597f