SYNERGISTIC EXTRACTION OF COBALT(II) WITH MIXTURE OF ACYL-PYRAZOLON AND CROWN-ETHER IN STRONSIUM(II) ENVIRONMENT | Zendy

Bambang Rusdiarso | Zendy

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SYNERGISTIC EXTRACTION OF COBALT(II) WITH MIXTURE OF ACYL-PYRAZOLON AND CROWN-ETHER IN STRONSIUM(II) ENVIRONMENT

Author(s) -

Bambang Rusdiarso

Publication year - 2010

Publication title -

indonesian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.273

H-Index - 14

eISSN - 2460-1578

pISSN - 1411-9420

DOI - 10.22146/ijc.21711

Subject(s) - chemistry , cobalt , crown ether , ether , chloroform , extraction (chemistry) , 15 crown 5 , strontium , nuclear chemistry , inorganic chemistry , medicinal chemistry , organic chemistry , ion

Synergistic extraction of cobalt(II) with mixture of acyl-pyrazolon (HL) and crown-ether (E) in the Sr(NO3)2 environment has been studied. In this research, HPMBP (phenyl-1-methyl-3-benzoil-4-pyrazolon-5) was used, with three different kinds of crown-ether, i.e. (benzo-15-crown-5), DB18C6 (dibenzo-18-crown-6) and DB24C8 (dibenzo24-crown-8), in chloroform. In the bulk environment of stronsium, a cobalt coextraction and stronsium occured with species ESrNO3,Co(PMBP)3, and E = B15C5, while Co(PMBP)2E and ESr,Co(PMBP3)2, with E = DB18C6. There was no coextraction when using crown-ether DB24C8, with the extracted species Co(PMBP)2E. Values of extraction constant presented in log Kex were -6.08 (B15C5), 4.51, -12.55 (DB18C6), and – 4.57 (DB24C8), respectively.

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