Gas chromatography/negative-ion chemical ionization mass

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]

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]

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]

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]

Watzer B, Reinalter S, Seyberth HW, Schweer H. Determination of free and glucuronide conjugated 20-hydroxyarachidonic acid (20-HETE) in urine by gas chromatography/ negative ion chemical ionization mass spectrometry. Prostaglandins Leukot. Essent. Fatty Acids 2000 62 175-181. [Pg.682]

Determination of Clonazepam in Human Plasma by Gas Chromatography-Negative Ion Chemical Ionization Mass Spectrometry... [Pg.88]

GAS CHROMATOGRAPHY/NEGATIVE-ION CHEMICAL IONIZATION MASS SPECTROMETRY... [Pg.381]

Foltz RL, McGinnis KM, Chinn DM (1983) Quantitative measurement of delta 9-tetrahydrocannabinol and two major metabolites in physiological specimens using capillary column gas chromatography negative ion chemical ionization mass spectrometry. Biomed Mass Spectrom 10(5 ) 316-323... [Pg.90]

Shibata, A. Yoshio, H. Hayashi, T. Otsuki, N. Determination of Phenylpy-luvic Acid in Human Urine and Plasma by Gas Chromatography/Negative Ion Chemical Ionization Mass Spectrometry. Shitsuryo Bunseki 1992,40, 165-171. [Pg.682]

Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...