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Needles (Acicular)

Long, thin crystals with pointed ends.

Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E2125-19 Standard Practice for Microcrystal Testing in Forensic Analysis for Phencyclidine and Its Analogues. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2019. Source link(link is external)
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(link is external)