MINIPUL

thin wall glass tubes about four inches in height with diameters varying from approximately 4.9 millimeter to 5.0 millimeter used for containing various solvents; the tubes are used in the scientific field of NMR (nuclear magnetic resonance) analysis; the minipul was developed for safe and prolonged storage of solvents and ease of transfer of solvents into NMR sample tubes for NMR analysis