Determination of Trace Beryllium in Natural Waters by Gas Chromatography-Helium Microwave Induced Plasma Emission Spectrometry

Abstract

The determination of Be in natural water by gas chromatography-helium microwave induced plasma emission spectrometry is described. Beryllium was concentrated about 230 times by the extraction with acetylacetone into chloroform and by further evaporation of the solvent. A batchwise ligand vapor method was used to prevent any beryllium acetylacetonate from remaining in the gas chromatographic column. The detection limit was 10pg in 30ml of water sample and the relative standard deviation was 4.1% at 10ng of Be. The method was applied to the determination of Be in lake water samples.