The Determination of Nanogram Amounts of Heavy Metal Elements in Highly Pure Barium Nitrate by Extraction-GFAAS
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ABSTRACT
The determination of ultra-trace heavy metal elements in pure barium nitrate by graphite furnace atomic absorption spectrometry is reported. An APDC/M1BK extraction for the nanogram amounts of Fe, Cu, Co and Ni in barium salt is simultaneous performed in
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