Viscometry - Measurement of kinematic viscosity by means of the Ubbelohde viscometer - Part 4: Viscometer calibration and determination of the uncertainty of measurement— 7 стр.
Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio (ISO 1157:1990); German version EN ISO 1157:1999— 5 стр.
Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio (ISO 1157:1990); German version EN ISO 1157:1999— 5 стр.