Results
Mass spectrum of PFTBA obtained using GDEI internal ionization with an RF frequency of 1041 kHz
Mass spectrum of 100 ppm Ultramark obtained using a nanESI source in the external ionization mode with RF frequency at 695 kHz
Mass spectrum of 200 ppm cytochrome c recorded using nano-ESI source with an rf frequency of 695 kHz.
Mass spectrum of 200 ppm myoglobin recorded using ESI source in the external ionization mode with rf frequency 695 kHz.
Calibration curve showing intensity of molecular ion of naphthalene examined from aqueous solution by internal ionization using GDEI source
Calibration curve showing intensity of protonated cocaine examined using external ESI
Product ion CID spectrum of ionized ethyl cinnamate, internal ionization mode using GDEI. Inset shows the isolated molecular ion of m/z 176
Isolated signal from protonated MRFA, m/z 524, and product ion CID mass spectrum of 1 ppm MRFA solution obtained using external ESI ionization
Direct analysis of drugs as tablets using DESI on the Mini 11. (a) Claritin; (b) aspirin; (c) Excedrin.