✦ LIBER ✦

Synthesis and use of pentadeuteroethyl ethofumesate as an internal standard for the determination of ethofumesate and its metabolites in water by gas chromatography-mass spectrometry

✍ Scribed by M. Terreni; E. Benfenati; M. Natangelo; G. Facchini; G. Pagani

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 674 KB
Volume: 688
Category: Article
ISSN: 1873-3778
DOI: 10.1016/0021-9673(94)00871-x

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Synthesis and Use of Deuterated 3,4-Dihy

Synthesis and Use of Deuterated 3,4-Dihydroxyphenylglycolaldehyde as an Internal Standard for Determination of Dopegal in Brain Tissue by Gas Chromatography–Mass Spectrometry

✍ Shu Wen Li; Vincent T. Spaziano; William H. Elliott; William J. Burke 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 166 KB

Trideuterated 3,4-dihydroxyphenylglycolaldehyde (DOPEGAL-d 3 ) was synthesized from tetradeuterated catechol. After derivatization with N-methyl-N-trimethylsilyltrifluoroacetamide, the identity of DOPEGAL-d 3 was confirmed by comparison with unlabeled DOPEGAL by gas chromatography-mass spectrometry

Preparation of Deuterated Diclofenac for

Preparation of Deuterated Diclofenac for Use as an Internal Standard in Quantitative Measurement by Gas Chromatography Negative-ion Chemical Ionization Mass Spectrometry

✍ H. J. Leis; G. Fauler; H. Gleispach; W. Windischhofer 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 217 KB 👁 2 views

Synthesis of 3-nitro-L-[2H3]tyrosine for

Synthesis of 3-nitro-L-[2H3]tyrosine for use as an internal standard for quantification of 3-nitro-L-tyrosine by gas chromatography-mass spectrometry

✍ Edzard Schwedhelm; Jörg Sandmann; Dimitrios Tsikas 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 French ⚖ 313 KB 👁 2 views

Determination of the enantiomers of flec

Determination of the enantiomers of flecainide and two major metabolites in man by gas chromatography/mass spectrometry using negative ion chemical ionization and stable isotope labelled internal standards

✍ C. Fischer; F. Schönberger; C. O. Meese; M. Eichelbaum 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 793 KB

An Automated Preconcentration–Derivatiza

An Automated Preconcentration–Derivatization System for the Determination of Cocaine and its Metabolites in Urine and Illicit Cocaine Samples by Gas Chromatography/Mass Spectrometry

✍ Soledad Cardenas; Mercedes Gallego; Miguel Valcarcel 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 756 KB

Although gas chromatography/mass spectrometry (GC/MS) is the most powerful technique for analysing cocaine and its hydrolysis products (benzoylecgonine, ecgonine methyl ester and ecgonine) in urine, the sample pretreatment required is rather laborious and involves a large number of steps. This paper

The determination of cyclophosphamide an

The determination of cyclophosphamide and its metabolites in blood plasma as stable trifluoroacetyl derivatives by electron capture chemical ionization gas chromatography/mass spectrometry

✍ G. Momerency; K. Van Cauwenberghe; P. H. Th. J. Slee; A. T. Van Oosterom; E. A. 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 723 KB

A method is described for the determination of the antitumour drug cyclophosphamide and six stable metabolites in plasma of cancer patients, namely dechloroethyl-cyclophosphamide, 4-keto-cyclophosphamiide, carboxyphosphamide, alcophosphamide, nor-nitrogen mustard and the N-chloroethyl-l,3-oxazolidin