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AB801: Automated Solid-Phase Extraction (SPE) of Endocrine Disruptors in Water

Instrument Type: Automated Sample Prep

Endocrine disrupting compounds (EDCs) include a wide range of compounds that have the potential to interfere with the body’s endocrine system. Drinking water supplies need to be tested for the presence of EDCs because of their effect on hormones. The solid-phase extraction (SPE) method described in this Application Brief provides provides a quick and simple means of concentrating the components using controlled flow rates and volumes that will consistently produce good recoveries.

AB876: Automated Solid-Phase Extraction (SPE) of Wastewaters and Surface Watersfor Polyaromatic Hydrocarbons and Phthalates — Modification of EPA Method 625

Instrument Type: Automated Sample Prep

EPA Method 525.2, Determination of Organic Compounds in Drinking Water by Liquid-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry, can be used as a basis for developing a liquid-solid extraction method for EPA Method 625, Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater. Unlike the drinking water methods, however, analysis of wastewaters need to contend with particulates. The AutoTrace™ 280 Solid-Phase Extraction (SPE) instrument has features that allow analysis of samples even with high amounts of suspended solids.

AB875: Modification of EPA Method 608 for Automated Solid Phase Extraction (SPE) of Wastewaters and Surface Waters Using the Dionex AutoTrace Instrument

Instrument Type: Automated Sample Prep

EPA Method 525.2, Determination of Organic Compounds in Drinking Water by Liquid-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry, can be used as a basis for developing a liquid-solid Extraction method for EPA Method 608, Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater. Unlike the drinking water methods, however, analysis of wastewaters and the streams they flow into, need to contend with particulates. The Dionex AutoTrace 280 instrument has features that allow analysis of samples even with high amounts of suspended solids.

AB805: Automated Solid Phase Extraction (SPE) of Dioxins and Furans in Surface Water

Instrument Type: Automated Sample Prep

The EPA Methods 8260 and 8270 are the basis of the sample preparation of polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans and PCBs in surface and ground water. The SPE method described in this Application Brief (AB) also recovers these compounds along with 1,4-Dioxan.

AB803: Automated Solid Phase Extraction (SPE) of Triclosan in River Water

Instrument Type: Automated Sample Prep

In recent years, there has been some concern about the levels of triclosan found in drinking water. Triclosan is an antibacterial compound used in a wide range of detergents, soaps, creams, and kitchen sprays. Such widespread use of triclosan requires the need to screen drinking water for the presence of this compound.