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单词
methyl red
释义
WordReference Random House Unabridged Dictionary of American English © 2024
meth
′
yl red
′
,
[
Chem.
]
Chemistry
a water-insoluble solid occurring as a dark-red powder or violet crystals, C
1
5
H
1
5
N
3
O
2
, used chiefly as an acid-base indicator. Cf.
methyl orange.
1905–10
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