NFT 20 050:1985现行
Chemical Products For Industrial Use - Determination Of Density Of Liquids - Aerometric Method
出版：Association Francaise de Normalisation
专家解读视频
基本信息
标准编号： NFT 20 050:1985
标准类别：Standard
出版单位：Association Francaise de Normalisation
标准页数：0
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, temperatures and meniscus, method for use, guide to purchasers, density of water from 0 degrees C to 40 degrees C and vessels for hydrometer observation.
等同采用的国际标准
ISO 649-2:1981 - Identical
