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Tri-alkyl phosphine oxide(TRPO)

TRPO extraction agent is liquid phosphine oxide. It is used for extracting organic and inorganic solute from aqueous solution such as extracting carboxylic acid from liquid waste, removing Arsenic from copper-electrolytic liquid and so on.

Compared with similar extraction agent like TOPO, the advantages of TRPO are: complete mutual solubility with common hydrocarbon diluent even in low temperatures; useful for extracting solutes such as acetic acid often hard to extract due to its high solubility, concentration and stable organic phase.

Constitutional Formula

TRPO extraction agent is the complex of four Tri-alkyl phosphine oxides below

R3P(O)      R2RP(O)      RR2P(O)      R3P(O)

R  =[CH3(CH2)7 正辛基]

R'=[CH3(CH2)7 正己基]

Average molecular weight approximately 348

 

     Content: 

93%

 

Appearance:

 

colourless liquid

Specific Weight(25℃):

 

0.88

Ice point:

 

-5~0℃

Viscosity(25℃):

 

40.0 cps

(50℃)

13.7 cps

Flash Point:

182℃

Spontaneous Burning Point:

281℃

Vapor Pressure(31℃):

 

0.09mmHg

Boiling Point(50 mmHg):

 

310℃

Solubility:

 

10mg/L

Aqueous solubility to TRPO:

 

 

8w/o

Contact:Mr Li +86-13917738666 13907055968 E-mail:rareearth@vip.sina.com sales@jiexintech.cn
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