Introduction to Mass Spectrometry || Electrospray Ionization
โ Scribed by Watson, J. Throck; Sparkman, O. David
- Book ID
- 120070725
- Publisher
- John Wiley & Sons, Ltd
- Year
- 2007
- Weight
- 545 KB
- Category
- Article
- ISBN
- 0470516348
No coin nor oath required. For personal study only.
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## Preparative Mass Spectrometry with Electrospray Ionization In the early 1940s, E. O. Lawrence developed a mass spectrometry-based separation approach to enrich radioactive uranium 235 U from the natural isotopic distribution of uranium. 1 -3 This method used Calutron 3 mass spectrometers to sep
The magnesium, nickel, copper, zinc and vanadium metalloporphyrins from octaethylporphyrin, etioporphyrin I and tetraphenylporphyrin were characterized using electrospray ionization mass spectrometry (ESI-MS). The ion abundance of each of the porphyrins present in binary mixtures was monitored as a
Ginsenosides R(b1), R(b2), R(c), R(d), R(e), R(f), R(g1), R(g2) and F(11) were studied systematically by electrospray ionization mass spectrometry in positive- and negative-ion modes with a mobile-phase additive, ammonium acetate. In general, ion sensitivities for the ginsenosides were greater in th