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Isolation of organic acids from large volumes of water by adsorption chromatography

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Abstract

The concentrations of dissolved organic carbon from most natural waters ranges from 1 to 20 milligrams carbon per liter, of which approximately 75 percent are organic acids. These acids can be chromatographically fractionated into hydrophobic organic acids, such as humic substances, and hydrophilic organic acids. To effectively study any of these organic acids, they must be isolated from other organic and inorganic species, and concentrated. Usually, large volumes of water must be processed to obtain sufficient quantities of material, and adsorption chromatography on synthetic, macroporous resins has proven to be a particularly effective method for this purpose. The use of the nonionic Amberlite XAD-8 and Amberlite XAD-4 resins and the anion exchange resin Duolite A-7 for isolating and concentrating organic acids from water is presented.

Additional Publication Details

Publication type:
Book
Publication Subtype:
Conference publication
Title:
Isolation of organic acids from large volumes of water by adsorption chromatography
Volume
24
Issue:
2
Year Published:
1984
Language:
English
Publisher:
ACS
Publisher location:
Washington, DC, USA
Larger Work Title:
National Meeting - American Chemical Society, Division of Environmental Chemistry
First page:
255
Last page:
256
Conference Title:
188th National Meeting - American Chemical Society, Division of Environmental Chemistry, Volume 24 Number 2.
Conference Location:
Philadelphia, PA, USA