𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Analysis of keto acids as their methyl esters of 2,4-dinitrophenylhydrazone derivatives by gas chromatography and gas chromatography-mass spectrometry

✍ Scribed by Rafael Navarro-González; Alicia Negrón-Mendoza; Guadalupe Albarrán


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
536 KB
Volume
587
Category
Article
ISSN
1873-3778

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Gas Chromatography/Mass Spectrometry of
✍ Dethlefs, F.; Gerhardt, K. O.; Stan, H.-J. 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 412 KB 👁 1 views

GC/MS method was employed for the separation and identification of resin acids from pulp mill effluents as their pentafluorobenzyl (PFB) esters. The mass spectra of standards and emuent samples were analyzed and fragmentation patterns were elncidated for 13 resin acids. Characteristic fragment ions

Analysis of acylcarnitines as their N-de
✍ Zhi-Heng Huang; Douglas A. Gage; Loran L. Bieber; Charles C. Sweeley 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 827 KB

A novel approach to the analysis of acylcarnitines has been developed. It involves a direct esterification using propyl chloroformate in aqueous propanol followed by ion-pair extraction with potassium iodide into chloroform and subsequent on-column N-demethylation of the resulting acylcarnitine prop

Analysis of hydroxypipecolic acids by ga
✍ Geoffrey C. Kite; Michael J. Hughes 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 158 KB 👁 2 views

The development of a method is described for the analysis of hydroxypipecolic acids in crudely purified plant extracts. All eight known naturally-occurring mono-and di-hydroxypipecolic acids could be resolved in a single analysis by gas chromatography-mass spectrometry (GC-MS) of their trimethylsily