Abstract
Optimization of the furnace parameters for electrothermal atomization of mercury leads to a characteristic mass of 20 pg in aqueous solution and 30 pg in chloroform extracts (with Zeeman correction). With a single-step solvent extraction from 100 ml of sample, performed in the sampling vessel, and direct injection of 400 μl of the extract into the furnace, a characteristic concentration of ∼0.8 ng/l. is reached.
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