Informace o publikaci
Determination of trace lanthanides in their pure oxides by liquid chromatography-emission spectrometry
| Název česky | Stanovení stop lanthanoidů v jejich čistých oxidech kapalinovou chromatografií s emisní spektrometrickou detekcí |
|---|---|
| Autoři | |
| Rok publikování | 1991 |
| Druh | Článek v odborném periodiku |
| Časopis / Zdroj | Analytica Chimica Acta |
| Fakulta / Pracoviště MU | |
| Citace | |
| Obor | Analytická chemie, separace |
| Klíčová slova | atomic emission spectrometry; europium; holmium; lanthanide ytterbium; liquid chromatographyoxides; |
| Popis | Traces of lanthanides can be separated effectively from major lanthanide oxides by liquid chromatography on a column of Separon SGX-C-18 silica gel modified by sorption of ammonium dodecylsulphate, and determined by flame - or inductively coupled plasma-atomic emission spectrometry. Spectral interferences from the major component at concentration ratios up to 10(4)-10(6) can be eliminated by isocratic or stepwise pH-gradient elution with ammonium 2-hydroxyisobutyrate. Methods of determining europium, ytterbium and holmium in yttrium, lanthanum and lutetium oxides are described. The flame method is shown to have some advantages. |