标准摘要
[中文适用范围]: 指定了三种不同类型的玻璃仪器,用于准确测定乙醇和水的简单混合物中的乙醇含量:以乙醇体积或质量百分比刻度的酒精计和以密度单位刻度的酒精比重计。 描述了结构、材料和规模。 表格中列出了尺寸,并给出了按质量或体积以及按密度和表面张力计算的乙醇含量值。 [外文原描述]: Three different types of glass instruments for the accurate determination of the ethanol content of simple mixtures of ethanol and water are specified: alcoholometers graduated in percentage of ethanol by volume or by mass and alcohol hydrometers graduated in units of density. Construction, material and scale are described. The dimensions are tabled and the value of the ethanol content by mass or volume and by density and surface tension are given.
英文名称Glass alcoholometers and alcohol hydrometers not incorporating a thermometer