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单词 θ70046
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the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > haematoxylin (2)
haematin1819

The earlier name of haematoxylin, n.

haematoxylin1847

A crystalline substance (C16H14O6) obtained from logwood; colourless when pure, but affording fine red, blue, and purple dyes by the action of…

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