研究了用柠檬酸和三氯硫磷改性的玉米须对食品添加剂土碱中砷(UD的吸附工艺.结果表明,改性玉米须纤维(F1和F2)表面疏松、多孔,负电子基团含量增加,增强了与砷(Ⅲ)配位结合的能力.最佳条件下,与对照组天然玉米须纤维(FN)相比,F1和F2的脱砷率分别提高了2.89倍和1.95倍,FN、F1和F2处理过的土碱回收率可达到96.85％、94.32％和95.45％,该研究对土碱中砷含量控制具有重要意义.
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