Infrared Digestion Furnace NIDF-100 is a compact, double-shell aluminium digestion unit employed for Kjeldahl digestion of a wide variety of samples with nitrogen content in the micro and macro range. Adopting infrared technology, it results in rapid heating and cooling of sample which saves on digestion time and ensures high sample throughput. More than 90% of protein-containing samples and over 60% of all Nitrogen-containing samples can be processed using this digestion unit.