Сосуд дл хранени небольших количеств веществ, в частности, биологических жидкостей

摘要

A straw ( 1 ) for the conservation of small quantities of substances, in particular biological substances, having a segment of tube provided inside one end with a stopper including gel powder, characterized in that a proportion of the gel powder is replaced with dispersed nonabsorbent material, the stopper thus having a mixture of gel powder and dispersed nonabsorbent material.