Birefringence
Property of some crystals, those having more than one refraction index; this property will result in interference colors, which are viewed through a polarized light microscope.
Committee
Seized Drugs
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E1969-19 Standard Practice for Microcrystal Testing in Forensic Analysis for Methamphetamine and Amphetamine. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2019.
Source link
Reprinted, with permission, from ASTM, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, https://www.astm.org