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Attenuated Total Reflection (ATR)

a method of spectrophotometric analysis based on the reflection of energy at the interface of two media which have different refractive indices and are in intimate contact with each other.

Committee
Trace Materials
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E2224-23a Standard Guide for Forensic Analysis of Fibers by Infrared Spectroscopy. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428 , 2023. 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