Analytical instruments for non-metallic elements like carbon, nitrogen, sulfur, hydrogen and oxygen has its roots in the product line of Analytical Technique of Heraeus. We are specialists from experience and competence in: CHNOS elemental analysis for universal use regarding sample type and composition but also for special applications. Nitrogen/Protein-Analysis by Dumas combustion method for clean and fully automatic determination in macro samples like food and feed or soil. <br>TOC / TNb-Analysis by high temperature digestion for sum parameters determination in water, sludge and solids. The Schöniger digestion unit for the analysis of halogens, phosphorous and sulfur as well as quality products from other manufacturers are added to our program in order to provide complete problem solutions for the user.