2,6-bis[5-(2,2-dimethyl-propyl)-1H-pyrazol-3-yl]-pyridine

Abbreviation(s)

C5-BPP

Chemical group

pyridine

Formula

C21H29N5 CHON

Molecular mass

351.498 g/mol

Separation factors
Factor Value Conc. Add. ligand Aq. acid Organic diluent Temp. Contact time Additional Ref.
Amγ/Cmγ 4.3 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; calc SF = 4.8 [1]
Amγ/Euγ 460 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; [1]
Am(III)/Eu(III) ≈70.45 0.01 M   HNO3 0.2 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III)/Eu(III) ≈96.34 0.01 M   HNO3 0.3 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III)/Eu(III) ≈97.79 0.01 M   HNO3 0.5 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III)/Eu(III) ≈113.51 0.01 M   HNO3 0.7 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III)/Eu(III) ≈124.12 0.01 M   HNO3 1.2 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Distribution coefficients
Element Value Conc. Add. ligand Aq. acid Organic diluent Temp. Contact time Additional Ref.
Amγ 3.44 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; calc DC = 3.48 [2]
Euγ 0.007 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; [2]
Amα 3.73 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; calc DC = 3.48 [2]
Cmα 0.86 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; calc DC = 0.72 [2]
Cfα 0.57 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   30 min single centrifugal contactor test; [2]
Am(III) ≈262 0.01 M   HNO3 0.2 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III) ≈71.5 0.01 M   HNO3 0.3 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III) ≈12.5 0.01 M   HNO3 0.5 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III) ≈3.58 0.01 M   HNO3 0.7 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III) ≈1.22 0.01 M   HNO3 1 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III) ≈0.894 0.01 M   HNO3 1.1 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Am(III) ≈0.625 0.01 M   HNO3 1.2 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈3.74 0.01 M   HNO3 0.2 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈0.748 0.01 M   HNO3 0.3 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈0.125 0.01 M   HNO3 0.5 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈0.0313 0.01 M   HNO3 0.7 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈0.00978 0.01 M   HNO3 1 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈0.00748 0.01 M   HNO3 1.1 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Eu(III) ≈0.00523 0.01 M   HNO3 1.2 M kerosene 20°C 45 min 0.5M 2-bromohexanoic acid [2]
Decontamination factors
Element Value Conc. Add. ligand Aq. acid Organic diluent Temp. Additional Stages Ref.
Eu152γ 0.9 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   16 [2]
Am241γ 1306 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   calc DF = 573 16 [2]
Am241α >1000 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   calc DF = 573 16 [2]
Cm244α 0.92 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   16 [2]
Cf252α 0.89 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   16 [2]
Eu152γ 7693 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   24 [2]
Cm244α 214 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   calc DF = 77 24 [2]
Cf252α 1744 0.4 M TEHP 0.15 M HNO3 0.13 M isooctane/tert-butyl benzene, 2:8   24 [2]
References
  1. doi:10.1524/ract.2010.1708

  2. doi:10.1021/ic3000526