NFB 35 511:1983现行
Laboratory Glassware - Density Hydrometers For General Purpose - Specifications - Test Methods And Use
出版：Association Francaise de Normalisation
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基本信息
标准编号： NFB 35 511:1983
发布时间：1983/7/1 0:00:00
标准类别：MiscPublication
出版单位：Association Francaise de Normalisation
标准页数：19
标准简介
Gives requirements for three sub-series for petroleum products for densities between 600 kg/m cubed and 1100 kg/m cubed at 15 degrees C, and five series of hydrometers for liquids with densities between 600 kg/m cubed and 2000 kg/m cubed at 20 degrees C. Covers materials, corrections for surface tension, permitted errors, temperature and meniscus, method for use, guide to purchasers, density of water from 0 degrees C to 40 degrees C and vessels for hydrometer observation.
