ISO/TC 48 Laborausrüstungen,
ISO/TC 48 Laboratory equipment,
ISO/TC 48 Équipement de laboratoire,
ISO Internationale Organisation für Normung,
ISO International Organization for Standardization,
ISO Organisation Internationale de Normalisation
Footnote:
Internationale Übereinstimmung mit: NF B35-515 (1983-07-01) - identisch; UNE 43346 (1987-12-28) - identisch; TS 11272 (1994-04-13) - identisch; NEN-ISO 4801 (1981) - identisch; UNI ISO 4801 (1982) - identisch; UNI ISO 4801:1982 (1982-05-31) - identisch; NEN-ISO 4801:1981 en (1981-09-01) - identisch
Description:
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.