Kontes Threaded NMR Tubes
![Kontes Threaded NMR Tubes](https://krackeler.com/tt/lg/graphics/0186/jpg/897635-0800-b.jpg)
Ideal for use with air-sensitive samples and reaction studies. Compounds may be added via syringe through the septum cap. For use in instruments with field strengths greater than 360 MHz. Manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements.
- Tube OD 5mm
- Replacement septum is 186-774161-0008