... :Kjeldahl method for the principle applies to food, feed, soil, fertilizer, water,sediment, chemicals, dairy, brewing, sugar, pharmaceuticals, coal, rubber material ... -distillation operations.Technical parameters:1. Measure Range:0.1mg~200mg Nitrogen;2. Precision:Relative difference 1%;3. Reproducibility: parallel difference ≤0 ... . Size: 390×300×720(mm);9. Weight: 25Kg; KDN-102C Nitrogen Analyzer