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糖与蒽酮浓硫酸反应的产物是什么
更新时间: 2020-09-18 00:00:00  

1、糖在浓硫酸作用下,可经脱水反应生成糠醛或羟甲基糠醛;

2、生成的糠醛或羟甲基糠醛可与蒽酮反应生成蓝绿色糠醛衍生物;

3、在一定范围内,颜色深浅与糖含量成正比,故可用于糖的定量。

关键词: 硫酸 反应 产物 什么

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