90.20 Standard under periodical review Jul 15, 2026
ISO
International Standard
71.040.20 Laboratory ware and related apparatus
Five types of condensors of three calsses according to design and the relative position of the colling medium with the nominal jacket length are specified: water jacket condenser (Allihn condenser, Liebig-West condenser and coiled destillate candenser), coolant-tube condenser, and double-section condenser. The material and the construction with ground glass joints are described by figures and tables for the dimensions.
PUBLISHED
ISO 4799:1978
90.20
Standard under periodical review
Jul 15, 2026