Objavljen
Glass hydrometers of constant mass which do not incorporate a thermometer are considered. Basis of scale, reference temperature, surface tension and reference levels for adjustment and reading are specified. In annex A the standard categories of surface tension are tabled, and annex B deals with the adoption of density as preferred basis of scale.
OBJAVLJEN
ISO 387:1977
90.20
Početak postupka preispitivanja standarda
15. 7. 2026.
Da biste videli ceo sadržaj, morate se registrovati ili prijaviti pomoću korisničkog imena koje već imate.