... .5. Add alkali and distillation time control by manually.Description:Kjeldahl method for the principle applies to food, feed, soil, fertilizer ... , pharmaceuticals, coal, rubber material,such as the determination of crude protein, , Accurate testing, safe, reliable,user-friendly .Electric steam generator, automatically ... : 390×300×720(mm);9. Weight: 25Kg; KDN-102C Nitrogen Analyzer