Ideal for repeated Kjeldahl distillation with the various types of distillation units. Specifically designed for Kjeldahl digestion of a wide variety of samples with nitrogen content in variable ranges. Cylindrical round bottom with beaded rim on top for extra durability. Manufactured from Borosilicate 3.3 glass.
With 24/40 inner joint and 10mm hose connection. For 5mm NMR tube only. The NMR tube is inserted into the tube cleaner with its plastic cap placed on the closed end to provide support and a vacuum seal. The washing solvent is sequentially added through the side tube while a vacuum is applied through the hose connection.