Abstract
Abstract A dc arc plasma emission method is described for determining boron in plants at levels of ≧2.5 ≧g/g. The sample is wet-digested and analyzed at 2497.73A. Lithium is added to mask enhancement of emission by other alkali metals. Results for boron determined by the described method and atomic absorption spectrophotometry compared favorably. Recoveries of boron added to plants ranged from 90.4 to 104.4% with a mean recovery of 99.7%. The described method is convenient, rapid, and accurate for determining boron in plants.
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