Zwikker reagent (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Zwikker reagent" in English language version.

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books.google.com

Brandenberger, Hans; Maes, Robert A. A. (1997). Analytical toxicology: for clinical, forensic, and pharmaceutical chemists. Walter de Gruyter. p. 353. ISBN 978-3-11-010731-9. Retrieved 2012-02-28.

O’Neal, C. L.; Crouch, D. J.; Fatah, A. A. (2000). "Validation of twelve chemical spot tests for the detection of drugs of abuse". Forensic Science International. 109 (3): 189–201. doi:10.1016/S0379-0738(99)00235-2. PMID 10725655.
de Faubert Maunder, M. J. (1975). "An improved field test for barbiturates and hydantoins with a modified cobalt(II) thiocyanate reagent". The Analyst. 100 (1197): 878–883. Bibcode:1975Ana...100..878D. doi:10.1039/an9750000878. PMID 1221881.

"Color Test Reagents/Kits for Preliminary Identification of Drugs of Abuse" (PDF). Law Enforcement and Corrections Standards and Testing Program. July 2000. Retrieved 2011-07-24.

O’Neal, C. L.; Crouch, D. J.; Fatah, A. A. (2000). "Validation of twelve chemical spot tests for the detection of drugs of abuse". Forensic Science International. 109 (3): 189–201. doi:10.1016/S0379-0738(99)00235-2. PMID 10725655.
de Faubert Maunder, M. J. (1975). "An improved field test for barbiturates and hydantoins with a modified cobalt(II) thiocyanate reagent". The Analyst. 100 (1197): 878–883. Bibcode:1975Ana...100..878D. doi:10.1039/an9750000878. PMID 1221881.