𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Determination of bacterial muramic acid by gas chromatography—mass spectrometry with negative-ion detection

✍ Scribed by Ingrid Elmroth; Alvin Fox; Lennart Larsson

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
837 KB
Volume
628
Category
Article
ISSN
1873-3778

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Determination of anabolic steroids by ga
Determination of anabolic steroids by gas chromatography/negative-ion chemical ionization mass spectrometry and gas chromatography/negative-ion chemical ionization tandem mass spectrometry with heptafluorobutyric anhydride derivatization
✍ Man Ho Choi; Bong Chul Chung; Won Lee; Un Chul Lee; Yunje Kim 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 118 KB 👁 2 views

A gas chromatography/mass spectrometry (GC/MS) method is described which uses negative ion chemical ionization (NCI) and tandem mass spectrometry (MS/MS) for the determination of eight anabolic steroids in human urine. Eight anabolic steroids were derivatized by heptafluorobutyric anhydride (HFBA),

Femtogram on-column detection of nicotin
Femtogram on-column detection of nicotine by isotope dilution gas chromatography/negative ion detection mass spectrometry
✍ Donald A. Cooper; James M. Moore 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 451 KB

A gas chromatographic method, utilizing detection by negative chemical ionization (NCI) mass spectrometry, is presented for the detection of nicotine. The method incorporates derivatization with heptafluorobutyric anhydridelpyridine to yield the ring-opened addition product, 1-[ 4-(3'-pyridyl>4-hept

Negative ion chemical ionization gas chr
Negative ion chemical ionization gas chromatography/mass spectrometry of valproic acid metabolites
✍ Kelem Kassahun; Roland Burton; Frank S. Abbott 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 652 KB

A negative ion chemical ionization (NICI) gas chromatographic/mass spectrometric method is described for the identification of 15 valproic acid (VPA) metabolites as their pentafluorobenzyl derivatives. Samples analyzed were serum, urine and saliva taken from a volunteer on VPA at steady state and al

Determination of four anabolic steroid m
Determination of four anabolic steroid metabolites by gas chromatography/mass spectrometry with negative ion chemical ionization and tandem mass spectrometry
✍ Man Ho Choi; Bong Chul Chung; Myungsoo Kim; Jeongeun Choi; Yunje Kim 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 164 KB 👁 2 views

A gas chromatography/mass spectrometry method is described which uses negative ion chemical ionization and tandem mass spectrometry for the determination of anabolic steroid metabolites. Four anabolic steroid metabolites to be derivatized by Pentafluoropropionic anhydride (PFPA) were determined usin