Gas chromatography/negative-ion

M. Kala, M. Kochanowski. The Determination of A9-Tetrahydrocannabinol (9THC) and 11-nor-9-Carboxy-A9-Tetrahydrocannabinol (THCCOOH) in Blood and Urine Using Gas Chromatography Negative Ion Chemical Ionisation Mass Spectrometry (GC-MS-NCI), Chemical Analysis (Warsaw), 51, 2006. [Pg.320]

Polychlorobiphenyl cogeners 77, 126 and 169 have been determined in sewage sludge at detection limits as low as 100kg by gas chromatography negative ion mass spectrometry [115]. [Pg.179]

Hubbard WC, Bickel C, Schleimer RP. 1994. Simultaneous quantitation of endogenous levels of cortisone and cortisol in human nasal and bronchoalveolar lavage fluids and plasma via gas chromatography-negative ion chemical ionization mass spectrometry. Anal Biochem 221 109-117. [Pg.190]

Korfmacher WA, Rushing LG, Siitonen PH, et al. 1987. Confirmation of heptachlor epoxide and octachlor epoxide in milk via fused silica gas chromatography/negative ion chemical ionization mass spectrometry. J High Resolut Chromatogr Commun 10 332-336. [Pg.139]

Kozar, M., and Fox, A. (2002), Analysis of a stable halogenated derivative of muramic acid by gas chromatography-negative ion chemical ionization tandem mass spectrometry, J. Chromatogr., 946, 229-238. [Pg.541]

Gas chromatography [9, 10] Fast gas chromatography/negative-ion chemical ionization mass spectrometric (GC/NICI-MS) assay combined with rapid and nonlaborious sample preparation is presented for the simultaneous determination of benzodiazepines and a-hydroxy metabolites, zaleplon, and zopiclone in whole blood. The compounds were extracted from 100 pi of whole blood by liquid-liquid extraction (LLE) and derivatized by N-methyl-N-(ferf-butyldimethylsilyl)trifluoroaceta-mide (MTBSTFA). [Pg.360]

Mizuishi, K., Takeuchi, M. and Hobo, T. (1998) Trace metal analysis of tributyltin and triphenyltin compounds in seawater by gas chromatography-negative ion chemical ionisation mass spectrometry./. Chromatogr. A, 800, 267-273. [Pg.86]

S.-A.A. Fredriksson, L.-G. Hammarstrom, L. Henriksson and H.-A.A. Lakso, Trace determination of alkyl methylphosphonic acids in environmental and biological samples using gas chromatography/negative-ion chemical ionization mass spectrometry and tandem mass spectrometry, J. Mass Spectrom., 30, 1133-1143 (1995). [Pg.281]

Different Prostaglandins in Human Plasma Using Gas Chromatography/Negative Ion Chemical-Ionization Tandem Mass Spectrometry... [Pg.629]

Schweer H, Meese CO, Watzer B, Seyberth HW (1994) Determination of prostaglandin El and its main plasma metabolites 15-keto-prostaglandin EO and prostaglandin EO by gas chromatography/negative ion chemical ionization triplestage quadrupole mass spectrometry. Biol Mass Spectrom 23 165-170... [Pg.638]

Skopp, S. Oehme, M. Drenth, H., Study of the enantioselective elintination of four toxaphene congeners in rat after intravenous administration by high resolution gas chromatography negative ion mass spectrometry Chemosphere 2002, 46, 1083-1090. [Pg.133]

Mateo-Vivaracho, L., Cacho, J., and Ferreira, V. (2007). Quantitative determination of wine polyfunctional mercaptans at nanogram per liter level by gas chromatography-negative ion mass spectrometric analysis of their pentafluorobenzyl derivatives. J. Chromatogr. A., 1146, 242-250. [Pg.414]

Miyajima, T., Tanaka, T., and Koike, 1. (2005). Determinig N enrichment of dissolved organic nitrogen in environmental waters by gas chromatography/negative-ion chemical ionization mass spectrometry. Limnol. Oceanogr. Methods 3, 164-173. [Pg.461]

Hsu FF, Wang L, Bier DM. Determination of cortisol in human plasma by gas chromatography/negative ion chemical ionization/mass spectronietry Anal Biochem 1994 216 401-5. . ... [Pg.2045]

HJ Leis, G Fauler, G Raspotnig, W Windischhofer. Quantitative determination of the angiotensin-converting enzyme inhibitor lisinopril in human plasma by stable isotope dilution gas chromatography/negative ion chemical ionization mass spectrometry. Rapid Commun Mass Spectrom 12 1591—1594, 1998. [Pg.349]

Huang W, Moody DE, Andrenyak DM, Smith EK, Foltz RL, Huestis MA, Newton JF (2001) Simultaneous determination of delta-9-tetrahydrocannabinol and ll-nor-9-carboxy-delta-9-tetrahydrocannabinol in human plasma by solid phase extraction and gas chromatography—negative ion chemical ionization—mass spectrometry. J Anal Toxicol 25 531-537... [Pg.686]

Low GK-C, Batley GE, Lidgard RO, et al. 1986. Determination of polycyclic aromatic hydrocarbons in coal fly ash using gas chromatography/negative ion chemical ionization mass spectrometry. Biomed Environ Mass Spectrom 13 95-104. [Pg.488]

Macfarlane, R. G., Midgley, J. M., and Watson, D. G., Identification and quantification of //-acetyl metabolites of biogenic amines in the thoracic nervous system of the locust, Schistocerca gregaria, by gas chromatography negative-ion chemical ionization mass spectrometry, J. Chromalogr., 532, 13-25, 1990. [Pg.340]

Tanimoto, H., Hirokawa, J., Kajii, Y., and Akimoto, H., A new measurement technique of PAN at parts per trillion by volume levels gas chromatography/negative ion chemical ionization mass spectrometry, J. Geophys. Res., 104, 21343-21354, 1999. [Pg.738]

Bnmmark, P., Dalene, M., and Skarping, G., Gas-chromatography negative-ion chemical-ionization mass-spectrometry of hydrolyzed human urine and blood-plasma for the biomonitoring of occupational exposure to 4,4 -methylenebisaniline, Analyst, 120, 41-45, 1995. [Pg.801]

Newton, D. L., M. D. Erickson, K. B. Tomer, E. D. Pellizzari, P. Gentry, and R. B. Zweidinger. 1982. Identification of nitroaromatics in diesel exhaust particulates using gas chromatography/negative ion chemical ionization mass spectrometry and other techniques. Environ. Sci. Technol. 16 206-213. [Pg.95]

Polzer J, Gowik P, Validation of a method for the detection and confirmation of nitroimidazoles and corresponding hydroxyl metabolites in turkey and swine muscle by means of gas chromatography-negative ion chemical ionization mass spectrometry, J. Chromatogr. B 2001 761 47-60. [Pg.257]

Lawson, J.A., Brash, A.R., Doran, J. and FitzGerald, G.A. (1985). Measurement of urinary 2,3-dinor-thromboxane B2 and thromboxane B using bonded-phase phenylboronic acid columns and capillary gas chromatography-negative-ion chemical ionization mass spectrometry. Anal Biochem., 150, 463-470... [Pg.150]

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