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单词
schaeffer's acid
释义
schaef·fer's acid
noun
or
schäf·fer's acid
\ˈshāfə(r)z-\
Usage:
usually capitalized S
Etymology:
after L.
Schaeffer,
19th century German chemist
:
a crystalline naphtholsulfonic acid HOC
10
H
6
SO
3
H used as a dye intermediate; 2-naphthol-6 sulfonic acid
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更新时间:2025/7/11 23:38:52