PHOSPHAX sigma Total Phosphorus and ortho-Phosphate analyser

The process photometer is designed for determination of the total phosphorus content and the orthophosphate concentration (0.01-5 mg/L). Analysis is based on the EN 1189 Phosphormolybdenum blue method.
Polyphosphates and some organic phosphorus compounds are hydrolyzed to orthophosphate by boiling in strong acid solution, and stable phosphorus compounds are reacted by sodium peroxydisulphate. The chemo-thermic reaction principle ensures complete breakdown within a few minutes. The measured values are indicated via a liquid crystal display (graphics display) as mg/l total P and mg/l orthophosphate. Solid-containing samples must be homogenized before entering the process photometer.