EXTRACTION OF COMPLEX PALLADIUM COMPOUNDS WITH N-HETEROCYCLIC BASES FROM SOLUTIONS OF MINERAL ACIDSстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Аннотация:The extraction was studied of complex of palladium with N-heterocyclic bases (2, 2′-dipyridyl, 1, 10-phenanthroline, 4, 7-dipb. enyl-1, 10-phenanthroline bathophenantroline). Complex compounds are quantitatively extracted by chloroform on the interval of concentrations of hydrogen ions: pH> 6.0 to 1.75 M HCl Dipy; pH> 3.5 to 5.0 M HCl – Phen; pH> 2.5 to 10 M HCl – BPhen. According to UV spectra, the composition of the extracted complex is PdAmCl2 (Am=Dipy, Phen, BPhen).