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Phosphate Analyzer - Marianna Martines Overview
The Phosphate Analyzer - Marianna Martines can perform continuous analysis of heavy metals, Phosphate (P04), and many other parameters in water. Technologies employed are colorimetric (photometric) and ion-selective electrodes (ISE). Direct measurements, standard addition, and titration support the ideal measurement strategy. The robust design and high-quality parts of the Phosphate Analyzer guarantee a long lifetime and minimum maintenance efforts. Low consumption of reagents and very high reagent stability ensures person-free operation. Automated calibration and cleaning steps support this goal.
In weak-alkaline natural water basically only the hydrogenous phosphate ion from the three anions of the o- phosphoric acid exists in quantities of 0,1 mg/l or less, as phosphates are absorbed well in the soil. Values of higher than 0,3 mg/l phosphate in groundwater as well as in surface water are nearly exclusively human-generated by pollution (wastewater, fertilizer, cleaner,...). Clean natural water (mountain, ...) and groundwater usually contain less than 0,01 mg/l PO4, seawater has an approximate content of 0,07 mg/l, Industrial wastewater contributes only little to the phosphate existing in total. The only source is wash-waters of phosphatizes for the corrosion protection of metals (e.g. car industry). The admissible draining limit is 1 mg/l P. In potable water phosphate shall appear in traces only. Higher concentrations than 2,2 mg/l P can cause digestive troubles.
Phospate is measured as a chelate complex between (PO4)3 ions in the water and sensitive spectrophotometric reagent dye. Change of the intensity of the visible light throughout cuvette containing formed metal complex is directly proportional to concentration.
Phosphate Analyzer Features
- Robust design.
- Minimal maintenance.
- Easy handling and long-living.
- Highest accuracy of measurement and high precision.
- Suitable for mission-critical applications.
- Automated cleaning and calibration and dilution.
- Can perform complex control tasks via analog and digital communication.