1.Automatic Kjeldahl System 2. Automatic add water and recycle fluid can change. 3. Has ... the stainless steel, anti-chemical reagent corrosion and damage.2. Entire automatic control, operation is easy.3. Big screen show the whole ... , drink, animal food, soil, medicine, settling, chemical and so on.2. Number of test sample: Solid less 5 pcs, Liquid less ...