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Recent Research Demonstrates Determination of Total Phosphorus in Wastewater

Published: Tuesday, October 26, 2010
Last Updated: Tuesday, October 26, 2010
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Total Phosphorus in water is determined using Caro's Reagent and Ion Chromatography.

Dionex is pleased to announce the release of an application on the determination of total phosphorus in wastewater. Application Note 254: Determination of Total Phosphorus in Wastewater Using Caro’s Reagent and Ion Chromatography describes two IC methods, one with simple carbonate/bicarbonate eluent preparation and a second method that uses generated potassium hydroxide eluent and has the high reproducibility of an RFIC™ system.

Phosphorus in the environment is beneficial for many biological processes, but too much phosphorus can create an imbalance in the ecosystem. Monitoring the concentration of phosphorus in the environment is a good indictor because higher than normal concentrations lead to environmental problems. AN 254 demonstrates accurate measurement of the total phosphorus content of a wastewater sample using a Reagent-Free™ IC (RFIC) system with all its benefits, including excellent retention time reproducibility for accurate peak identification, and time and labor savings by eliminating eluent preparation and associated errors.

Dionex (NASDAQ:DNEX) is a global leader in the manufacturing and marketing of liquid chromatography and sample preparation systems, consumables, and software for chemical analysis. The company’s systems are used worldwide in environmental analysis and by the life sciences, chemical, petrochemical, food and beverage, power generation, and electronics industries. Our expertise in applications and instrumentation helps analytical scientists to evaluate and develop pharmaceuticals, establish environmental regulations, and produce better industrial products.


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