Extractant for the Separation of Cobalt from Nickel with Extremely High Separation Coefficient--------SN272
Active component: Bis(2,4,4-trimethylpentyl) phosphinic acid
CAS No.: 83411-71-6
Molecular Formula: C16H35O2P
Molecular Weight: 290.42 (International Atomic Weight Table,1987)
SN272 has proven to be an excellent extractant for the separation of cobalt from nickel from both sulfate and chloride media.
SN272 can not only be used for the separation of cobalt from nickel, but also for the separation of rare earths, and the extraction of Ga, In, Mo, Ge, Zr, etc.
Active component: Bis(2,4,4-trimethylpentyl) phosphinic acid
CAS No.: 83411-71-6
Molecular Formula: C16H35O2P
Molecular Weight: 290.42 (International Atomic Weight Table,1987)
Molecular structure diagram:
Package: 180kg/plastic drum net each,900kg/IBC drum net each.
Storage: Avoid impact, water and fire. Keep cool, dry and ventilative.
Quality index:
|
Item |
Quality Index |
|
Bis(2,4,4-trimethylpentyl) phosphinic acid % |
≥ 95% |
|
Appearance: |
Colorless to light amber liquid |
|
Density (20℃) g/mL |
0.91—0.94 |
|
Viscosity (25℃) mm2/s |
≤142 |
|
(50℃) mm2/s |
≤37 |
|
Solubility (PH = 3.0), mg/L |
≤21 |
|
Boiling Point oC |
≥300 |
|
Freezing point oC |
≤-32 |
|
Flash point oC |
≥108 |
■Comparison between P204, P507 and SN272
|
Extractant |
Separation Coefficient (βCo/Ni) |
|
P204 |
14 |
|
P507 |
280 |
|
SN272 |
7000 |
