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单词 θ70499
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the world > matter > chemistry > polymer chemistry > polymers (named others) > [noun] > paraformaldehyde (2)
paraformaldehyde1894

A white crystalline solid, obtained by the evaporation of an aqueous solution of formaldehyde (methanal), which is a polymer of formaldehyde and is…

paraform1897

Paraformaldehyde, esp. as a commercial product.

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