tris(2-ethylhexyl) phosphate

PNG ChemDraw

General infos Separation factors Distribution coefficients References

Abbreviation(s)

TEHP

Chemical group

phosphate

Formula

C₂₄H₅₁O₄P not CHON

Molecular mass

434.642 g/mol

Processes

Separation factors

Factor	Value	Conc.	Aq. acid	Organic diluent	Temp.	Contact time	Additional	Ref.
U/Th	180	0.18 M	HNO₃ 4 M	n-Dodecane	25°C		200 g/L Th	[1]
U(VI)/Th(IV)	17.1	1.1 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	17.4	1.1 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	20.4	1.1 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	17.6	1.1 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	47.8	0.5 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	44.2	0.5 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	52.1	0.5 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	50.9	0.5 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	299.9	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	179.1	0.2 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	92.6	0.2 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	164.9	0.2 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	106.3	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.1g/L U(VI); 1g/L Th(IV)	[2]
U(VI)/Th(IV)	273.3	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.2g/L U(VI); 5g/L Th(IV)	[2]
U(VI)/Th(IV)	197.2	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.5g/L U(VI); 10g/L Th(IV)	[2]
U(VI)/Th(IV)	65.7	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV)	[2]
U(VI)/Th(IV)	56.6	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	10g/L U(VI); 50g/L Th(IV)	[2]
U(VI)/Y(III)	210.4	1.1 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Y(III)	320.4	1.1 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Y(III)	451.7	1.1 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Y(III)	522.5	1.1 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
U(VI)/Th(IV)	80	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV); 20g/L Y(III)	[2]
U(VI)/Y(III)	2666.6	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV); 20g/L Y(III)	[2]

Distribution coefficients

Element	Value	Conc.	Aq. acid	Organic diluent	Temp.	Contact time	Additional	Ref.
U	6.2	0.18 M	HNO₃ 4 M	n-Dodecane	25°C		200 g/L Th	[2]
Th	0.035	0.18 M	HNO₃ 4 M	n-Dodecane	25°C		200 g/L Th	[2]
U(VI)	21.1	1.1 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
U(VI)	34.1	1.1 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
U(VI)	51.4	1.1 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
U(VI)	40.7	1.1 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
Th(IV)	1.2	1.1 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
Th(IV)	1.9	1.1 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
Th(IV)	2.5	1.1 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
Th(IV)	2.3	1.1 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
U(VI)	13.3	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.1g/L U(VI); 1g/L Th(IV)	[2]
U(VI)	10.1	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.2g/L U(VI); 5g/L Th(IV)	[2]
U(VI)	4.6	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.5g/L U(VI); 10g/L Th(IV)	[2]
U(VI)	3.5	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV)	[2]
U(VI)	2.3	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	10g/L U(VI); 50g/L Th(IV)	[2]
Th(IV)	0.13	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.1g/L U(VI); 1g/L Th(IV)	[2]
Th(IV)	0.04	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.2g/L U(VI); 5g/L Th(IV)	[2]
Th(IV)	0.03	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	0.5g/L U(VI); 10g/L Th(IV)	[2]
Th(IV)	0.05	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV)	[2]
Th(IV)	0.04	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	10g/L U(VI); 50g/L Th(IV)	[2]
Y(III)	0.15	1.1 M	HNO₃ 2 M	n-Paraffin	25°C	10 min		[2]
Y(III)	0.16	1.1 M	HNO₃ 3 M	n-Paraffin	25°C	10 min		[2]
Y(III)	0.17	1.1 M	HNO₃ 4 M	n-Paraffin	25°C	10 min		[2]
Y(III)	0.14	1.1 M	HNO₃ 6 M	n-Paraffin	25°C	10 min		[2]
U(VI)	4	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV); 20g/L Y(III)	[2]
Th(IV)	0.05	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV); 20g/L Y(III)	[2]
Y(III)	0.0015	0.2 M	HNO₃ 2 M	n-Paraffin	25°C	10 min	1g/L U(VI); 20g/L Th(IV); 20g/L Y(III)	[2]

References

doi:10.1016/j.seppur.2003.09.005
doi:10.1080/01496395.2013.790449