𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Comparison of ‘soft ionization’ techniques with electron impact mass spectrometry for desoxinojirimycin and folic acid derivatives

✍ Scribed by C. Wünsche; A. Benninghoven; A. Eicke; H.-J. Heinen; H. P. Ritter; L. C. E. Taylor; J. Veith


Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
559 KB
Volume
19
Category
Article
ISSN
1076-5174

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Comparison of Electrospray Mass Spectrom
✍ Ian A. Fleet; John J. Monaghan 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 187 KB 👁 2 views

The synthetic chrysanthemic acid ester pyrethroid insecticides empenthrin and prallethrin were studied by positive-ion electrospray mass spectrometry (ES-MS) in the presence of ammonium acetate and formic acid. Ammoniated molecule base-peak ions [M + NH 4 ] + and significant protonated molecule ions

Optimization of quadrupole ion storage m
✍ David Larrazábal; Ma. Ángeles Martínez; Ethel Eljarrat; Damiá Barceló; Begoña Fa 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 173 KB

## Abstract Gas chromatography coupled to quadrupole ion storage mass spectrometry (QISTMS) operating in the non‐resonant mode is presented as an innovative approach for the analysis of selected polybrominated diphenyl ethers (PBDEs). Although reductions in complexity and time needed for optimizati

Perfluoroalkyl ketones: novel derivatiza
✍ C. Aubert; J.-F. Rontani 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 94 KB 👁 1 views

Analytically useful pentafluoro ketone derivatives of fatty acids are described. The gas chromatographic/ mass spectrometric characteristics of these new derivatives are compared with those of methyl, trimethylsilyl and pentafluorobenzyl esters. Pentafluoro ketones exhibit excellent chromatographic

Evaluation of Fluorinated Indole Derivat
✍ Li, P.; Wong, K. L.; Kwan, Miranda C. Y.; Tsang, C. W.; Pang, S.F. 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 734 KB

A series of N-trifluoroacetyl/pentafluoropropionyl-O-trifluoroethyl/~ntafluoropropyl/heptafluorobutyl ester derivatives of 5-methoxyindole-3-acetic acid (SMIAA) were synthesized. Under electroncapture negative ionization conditions, the N-trifluoroacetyl derivatives were found to yield relatively ab