Reinforced bead at top 300 mL and larger sizes have tooled necks 10 and 30 mL sizes are designed from ASTM Specification E 147; 100 mL through 800 mL sizes are designed from ASTM Specification E 1377, Type 1 requirements.

With a unique design for the manipulation of air-sensitive and moisture-sensitive compounds Features a modified Kjeldahl shape that facilitates heating, stirring and solvent stripping without impairing ease of liquid and solid transfer The bottom of the flask is shaped to fit Kontes oil…