科研之友
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摘要
The method of using trifluoro acetyl acetone as chelating agent to extract Cu~ 2+ ,Hg~ 2+ ,Pb~ 2+ ,Zn~ 2+ ,Cd~ 2+ ,Cr~ 3+ from silica gel and soil sample by supercritical CO_2 was investigated.The extracts were analyzed with the atomic absorption spectrophotometry method. The experiment...
