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General infos Separation factors Distribution coefficients References

DC18C6, DCH18C6

crown ether

C₂₀H₃₆O₆ CHON

372.502 g/mol

Factor	Value	Conc.	Add. ligand	Aq. acid	Organic diluent	Temp.	Contact time	Additional	Ref.
Sr/Na	47	0.01 M		HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min		[1]

Element	Value	Conc.	Aq. acid	Organic diluent	Temp.	Contact time	Ref.
Na	0.006	0.01 M	HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	[1]
Sr	0.28	0.01 M	HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	[1]
Cs	0.03	0.01 M	HNO₃ 1 M	2-nitrophenyl hexyl ether	25°C	60 min	[1]
Sr	≈0.025	0.001 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.12	0.005 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.22	0.01 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.4	0.025 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.5	0.05 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.7	0.1 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.75	0.2 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.8	0.3 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.85	0.5 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.003	0.25 M	HNO₃ 0.01 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.05	0.25 M	HNO₃ 0.1 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.35	0.25 M	HNO₃ 0.5 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.75	0.25 M	HNO₃ 1 M	n-Octanol	25°C	1 min	[2]
Sr	≈4	0.25 M	HNO₃ 3 M	n-Octanol	25°C	1 min	[2]
Sr	≈20	0.25 M	HNO₃ 6 M	n-Octanol	25°C	1 min	[2]
Sr	≈0.0025	0.25 M	HNO₃ 0.01 M	n-Octanol	50°C	1 min	[2]
Sr	≈0.05	0.25 M	HNO₃ 0.1 M	n-Octanol	50°C	1 min	[2]
Sr	≈0.35	0.25 M	HNO₃ 0.5 M	n-Octanol	50°C	1 min	[2]
Sr	≈0.75	0.25 M	HNO₃ 1 M	n-Octanol	50°C	1 min	[2]
Sr	≈4	0.25 M	HNO₃ 3 M	n-Octanol	50°C	1 min	[2]
Sr	≈20	0.25 M	HNO₃ 6 M	n-Octanol	50°C	1 min	[2]

dicyclohexyl-18-crown-6