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Determination of Trace Elements in Trimethylaluminum by Inductively Coupled Plasma-Atomic Emission Spectrometry

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A method was developed for the analysis of trimethylaluminum (TMA) by inductively coupled plasma-atomic emission spectrometry (ICP-AES). TMA was decomposed with 95% ethanol, and the aqueous solution of the decomposition product was used for the determination of six trace elements (Cu, Fe, Ga, Mg, Si, and Zn). Aluminum also was determined after dilution of the aqueous solution. The reproducibility of the overall decomposition and measurement procedures was <15%. Except for gallium, the limits of detection were <0.5 μg/g of TMA.

Keywords: Inductively coupled plasma-atomic emission spectrometry; Trace elements; Trimethylaluminum

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702874448111

Affiliations: 1: Department of Chemistry, GRC Towers, University of Massachusetts, Amherst, Massachusetts 01003-0035; on leave from Spectroscopy Division, Bhabha Atomic Research Center, Trombay, Bombay, 400 085, India 2: Department of Chemistry, GRC Towers, University of Massachusetts, Amherst, Massachusetts 01003-0035

Publication date: July 1, 1987

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