To Assist and Serve Scientists Concerned with the Detection and Analysis of Controlled
Substances and Other Abused Substances for Forensic / Law Enforcement Purposes.

Published by the Drug Enforcement Administration 
Office of Forensic Sciences 
Washington, D.C. 20537 

The U. S. Attorney General has determined that the publication of this periodical is necessary in the transaction of the public business required by the Department of Justice. Information, instructions, and disclaimers are published in the first issue of each year.

Volume 6, Numbers 1-2

January-June 2008

Contents

The Use of Dipropionylmorphine as a Structurally-Related Internal Standard for Gas Chromatographic Quantitation of Heroin
Susan C. Kerr and John F. Casale

Rapid Screening of Seized Drug Exhibits Using Desorption Electrospray Ionization Mass Spectrometry (DESI-MS)
Sandra E. Rodriguez-Cruz

Discovery of an Interesting Temperature Effect on the Sensitivity of the Cobalt Thiocyanate Test for Cocaine
Jim W. McGill, Crystal A. Dixon, David Ritter, and Joanna D. Sides

Identification of N-Methylbenzylamine Hydrochloride, N-Ethylbenzylamine Hydrochloride, and N-Isopropylbenzylamine Hydrochloride
Ramona M. Sanderson

Isolation of Methamphetamine from 1-(1',4'-Cyclohexadienyl)-2-methylaminopropane (CMP) Using Potassium Permanganate
Fracia S. Martinez, Daniel M. Roesch, and James L. Jacobs

Information and Instructions for Authors

Note: In order to prevent automated theft of email addresses off the Internet postings of Microgram Journal, all email addresses reported in the Journal have had the “@” character replaced by “ -at- ”.

Cover Art: “Ball and Stick” Model of 3-Chlorophenylpiperazine (mCPP; Courtesy of Patrick A. Hays, DEA Special Testing and Research Laboratory, Dulles, VA).