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甲醛单位换算公式问题 #1

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甲醛单位换算公式问题#1
@qqlinhai

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@qqlinhai
qqlinhai
opened on Aug 26, 2019

1ppm * 30 / 22.4 = 1.3393 mg/ m3
实际上甲醛的分子量为30.03，这个取值30是否不妥？

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