Lorazepam Heroin

Other examples of buffer gas selectivity include the resolution of arginine from phenylalanine in carbon dioxide but not in nitrogen the separation of lorazepam from diazepam in both helium and carbon dioxide but not in argon and nitrogen " the resolution of carbohydrate isomers such as methyl-P-D-mannopyranoside from methyl-a-D-mannopyranoside in carbon dioxide but not nitrogen and the resolution of heroin from THC (tetrahydrocannabinol) using nitrous oxide as the buffer gas in a commercial IMS instrument. ... 

A 35-year-old woman with a history of mild asthma and substance abuse insufflated heroin and rapidly developed diffuse muscular pain and spasms involving the face, neck, arms, and chest. She reported that other friends had had similar experiences. She had mild physical distress, was anxious, and had hyper-reflexia without clonus. Her creatine kinase activity was 395 U/l. She received 1 liter of isotonic saline and intravenous lorazepam and improved symptomatically. She was discharged. Her urine was negative for sPychnine but positive for clenbuterol, morphine, 6-MAM, and codeine. 

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