PYREX 5mm Diameter, 7 Inch Long 250-400MHz Deluxe

Corning (This is the suggested replacement for 6981C-7)These precision 5mm diameter, 7 inch long PYREX® NMR tubes are made from quality borosilicate glass for compatibility with ground joints, valves, and vacuum racks. They are designed for use on NMR spectrometers running from 250-400MHz. They have an O.D. of 4.97 + 0.000-0.013mm and an I.D. of 4.20 + 0.013-0.000mm. These NMR tubes can be used with the PYREX® Microcell system (No. 9984) to avoid diluting valuable microsamples. For replacement caps, see No. 6989-5. - COG