... and durable anti-corrosion;2. Automatically, fill water, liquid receivers are free to adjust;3. All-stainless steel ... Kjeldahl method for the principle applies to food, feed, soil, fertilizer, water,sediment, chemicals, dairy, brewing, sugar, pharmaceuticals, coal, ... operations.Technical parameters:1. Measure Range:0.1mg~200mg Nitrogen;2. Precision:Relative difference 1%;3. Reproducibility: parallel ...