Recommended Methods for Testing Barbiturate Derivatives Under International Control: Manual for Use by National Narcotics Laboratories
United Nations Publications, 16 thg 4, 2004 - 52 trang
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2nd edition 39 WTlNBAUM accurately weighed amount aliquots allobarbital Amobarbital barbital barbiturate derivatives barbiturate is present benzodiazepine butalbital butobarbital Capsules and tablets chloroform Clarke's Isolation colour test concentration coning-and-quartering Convention on Psychotropic cyclobarbital DERIVATIVES UNDER INTERNATIONAL derivatization Dissolve Division of Narcotic dosage units ethyl acetate excipients extract forensic analyst forensic laboratories H Os 2N identification and analysis Inject insoluble internal standard solution Isolation and Identification IW H O N O IWSNbul M.Wt manual Mass spectroscopy methanol Methylphenobarbital mg/ml ml/min Mobile phase n-alkanes Narcotic Drugs NARCOTICS LABORATORIES number of packages number of units O N O CH3CH2 particular barbiturates peak area pentobarbital Pharmaceutical Press London plate preparations Psychotropic Substances 1971 quantitative Randomly select References Sample and standard Schedule IW sechutabarbital secobarbital select a number sodium dihydrogen phosphate soluble Solution K2 spectroscopy square root suspect material tablet and capsule total number vinylbital WaVENUMBER
Trang 3 - and suggestions may be addressed to: Division of Narcotic Drugs United Nations Office at Vienna Vienna International Centre PO Box 500 A—1400 Vienna, Austria
Trang 1 - derivatives. In emphasizing the importance of the expert group meetings organized by the Division on various scientific and technical aspects of drug control and the high practical value for national law enforcement and laboratory services of the technical manuals as the outcome of the expert meetings, the
Trang 13 - preparations usually undergo quality control by the manufacturer; therefore, little useful information would be gained by screening a large number of units from each package. The amount of ingredient per tablet or capsule determined will be statistically valid for the entire lot. (a)
Trang 11 - lengthy and there is still some doubt as to the identity of the material. The simplest way to homogenize a powder is to shake it thoroughly within the clear plastic bag
Trang 1 - of the Division of Narcotic Drugs with special emphasis on the development of laboratory methodologies. It noted with satisfaction that the harmonization of laboratory methods and the
Trang 1 - methods of testing for national forensic laboratories was pursued vigorously and that such methods had already been developed for heroin, cocaine, cannabis products, opium/crude morphine, amphetamine/methamphetamine,
Trang 11 - which it has been transferred. If the powder contains aggregates, these may be broken down by passing through successively finer sieves, or by pounding in
Trang 13 - containers Segregate containers by lot numbers and treat each group as described in 1 (b) above. Report results separately for each group.
Trang 13 - the analyst should not attempt to perform presumptive tests but should proceed directly with conclusive analytical procedures. Wash the syringe