Arsenic speciation was determined in native ferns (Pteris vittata and Macrothelypteris torresiana) growing in an area near Nova Lima City, which has high background levels of arsenic due mainly from mine tailings. The arsenic extraction process for speciation was optimized. A methodology was defined for the speciation by HPLC-Diode Array UV detector.
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机译：在Nova Lima City附近的一个地区生长的天然蕨类植物（Pteris Vittata和MacroTapteris Torresiana）中确定了砷形式，主要是由于矿山尾矿的高背景水平。优化了物种的砷提取过程。通过HPLC-二极管阵列UV检测器定义了一种方法。
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