面粉中违禁增白剂甲醛(吊白块)的检验方法研究
CHINESE JOURNAL OF SANITARY SUPERVISION AND HEALTH（2005）
Abstract
本文建立了一种利用酚试剂测定面粉中甲醛的方法.甲醛可与酚试剂在酸性溶液中反应生成蓝绿色的化合物,根据颜色深浅可比色定量.测定结果显示该方法准确.
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