Erowid References Database
Neville GA, Beckstead HD, Black B, Dawson BA, Ethier JC.
“USP Lysergic Acid Diethylamide Tartrate (LOT 1) Authentic Substance Recharacterized for Authentication of a House Supply of Lysergide (LSD) Tartrate”.
Canadian Journal of Applied Spectrometery. 1992;27(6).
In subjecting a commercial supply of lysergide (LSD) tartrate (Sandoz Lot 79001) to authentication for adoption as a "working standard", infrared (IR) proton nuclear magnetic resonance (1H-NMR) spectra of the working standard showed some dissimilar features to those obtained from the USP LSD Tartrate Authentic Substance (Lot I).
Although comparable mas spectral results were obtained from the two LSD samples, further investigation by 1-H- and 13C-NMR spectroscopy showed the USP material to contain appreciable excess tartaric acid.
[ Cite HTML