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单词
methyl orange
释义
WordReference Random House Unabridged Dictionary of American English © 2024
meth
′
yl or
′
ange,
[
Chem.
]
Chemistry
an orange-yellow, slightly water-soluble powder, C
1
4
H
1
4
N
3
NaO
3
S, used chiefly as an acid-base indicator. Also called
gold orange, helianthine B, orange III, tropaeolin D, tropeolin D.
Cf.
methyl red.
1880–85
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更新时间:2025/7/23 19:43:30