八配位β-二酮锆的质谱研究

MASS SPECTROMETRIC STUDY OF ZIRCONIUM (IV ) β-DIKETONATES

本文研究了八配位乙酰丙酮合锆的质谱。就碎片离子讨论了乙酰丙酮合锆在质谱中气相裂分反应的途径。分解反应最终形成的含锆碎片是锆的氧化物ZrO_2H^+。用配体乙酰丙酮作溶剂,用连续流进样和控制样品去溶剂化的程度,获得乙酰丙酮合锆的分子离子。并简要介绍了八配位三氟乙酰丙酮合锆的质谱。

The mass spectra of eight-coordinate acetylacetonate zirconium (IV) are studied. The ion fragmentation pathways in the mass spectra are investigated on the fragment ions of acetylacetonate zirconium. Zirconium oxide Zr02H1+ is the smallest metal-containing fragment resulting from Zr(acac)4 ion dissociation reactions. The molecular ion is obtained by regulating the degree of desolvation of sample molecules introduced into the ion source with the continuous flow probe and the analyte is the solution of Zr(acac)4 in acetylacetone. The mass spectra of eight-coordinate trifluoro-acetylacetonate zirconium are reported in brief.