Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Extraction of nitroaromatic compounds from water by polystyrene divinylbenzene cartridge and determination by high-performance liquid chromatography
Open-File Report
94-62
By: C.E. Lindley, M.R. Burkhardt, and S.N. DeRusseau
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Abstract
Organic explosives are determined in samples of ground water and surface water with emphasis on identifying and quantifying trinitrotoluene (TNT) metabolites. Water samples are filtered to remove suspended particulate material and passed through a polystyrene divinylbenzene-packed cartridge by a vacuum-extraction system. The target analytes subsequently are eluted with acetonitrile. A high-performance liquid chromatograph (HPLC) equipped with a photodiode-array detector is used for sample analysis. Analytes are separated on an octadecylsilane column using a methanol, water, and acetonitrile gradient elution. The compounds 2,4- and 2,6-dinitrotoluene are separated through an independent, isocratic elution. Method detection limits, on the basis of a 1-liter sample size, range from 0.11 to 0.32 microgram per liter. Recoveries averaged from 71 to 101 percent for 13 analytes in one set of HPLC-grade water fortified at about 1 microgram per liter. The method is limited to use by analysts experienced in handling explosive materials. (USGS)
Suggested Citation
Lindley, C., Burkhardt, M., DeRusseau, S., 1994, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Extraction of nitroaromatic compounds from water by polystyrene divinylbenzene cartridge and determination by high-performance liquid chromatography: U.S. Geological Survey Open-File Report 94-62, iv, 15 p., https://doi.org/10.3133/ofr9462.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Extraction of nitroaromatic compounds from water by polystyrene divinylbenzene cartridge and determination by high-performance liquid chromatography |
| Series title | Open-File Report |
| Series number | 94-62 |
| DOI | 10.3133/ofr9462 |
| Year Published | 1994 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | National Water Quality Laboratory |
| Description | iv, 15 p. |