These borosilicate glass Schlenk sample tubes incorporate a grease-free high vacuum 0-4mm valve and are suited for pressure/vacuum applications. Ideal for reaction and storage of air-sensitive compounds. Sidearm can be connected to inert atmosphere/vacuum source or a manifold.

This borosilicate glass test tube has a round bottom and a Standard Taper outer joint. See LG-10300 and LG-10310 for stoppers.

Strong and durable, these borosilicate glass solubility tubes with constriction are designed to find the solubility index. Can be used in a variety of laboratory testing analysis.