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单词
acid number
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ac
′
id num′ber,
[
Chem.
]
Chemistry
a number expressing the acidity of a substance, equal to the number of milligrams of potassium hydroxide needed to neutralize the free fatty acids present in one gram of the substance. Also called
acid value.
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更新时间:2025/12/3 22:45:40