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单词 citrometer
释义 citrometer|sɪˈtrɒmɪtə(r)|
[f. citro- + -meter.]
An instrument used for determining the specific gravity of lemon juice in the preparation of citric acid.
1875Jrnl. Chem. Soc. XXVIII. 930 Lemon-juice..is boiled down in copper vessels over an open fire till it is supposed to mark when cold 60° on the citrometer.1879Spon's Encycl. Industr. Arts 49 An instrument termed a citrometer is sometimes used to measure the amount of citric acid contained in the juice.
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更新时间:2024/11/5 19:39:37