Abstract
A rapid and sensitive method for the trace level determination of beryllium based on the formation of a 1:2 complex ( λ max 560 nm) with 1,4-dihydroxy-9,10-anthracenedione in an aqueous medium containing Triton X-100 is reported. Beer’s law is followed in the range 3.60–360 ng ml −1 of Be(II). The molar absorptivity and Sandell’s sensitivity are 1.68×10 4 l mol −1cm −1 and 0.54 ng cm −2, respectively; detection limit is 0.23 ng ml −1 of Be(II). Analysis of synthetic mixtures of composition similar to that of alloys and spiked samples of distilled water, gave results that are in agreement with their beryllium content.
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