ASTM-E2227 2002

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E2227-02 Standard Guide for Forensic Examination of Non-Reactive Dyes in Textile Fibers by Thin-Layer Chromatography

Published By	Publication Date	Number of Pages
ASTM	2002	6

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Categories: 71.040.50 - Physicochemical methods of analysis, ASTM

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Description

1.1 Metameric coloration of fibers can be detected using UV/visible spectrophotometry. If spectrophotometry is restricted to the visible spectral range only, differences in dye components may remain undetected. One method of detecting additional components is to use thin-layer chromatography (TLC). TLC is an inexpensive, simple, well-documented technique that, under certain conditions, can be used to complement the use of visible spectroscopy in comparisons of fiber colorants. The principle of the method is that the dye components are separated by their differential migration caused by a mobile phase flowing through a porous, adsorptive medium.

Additional information

Standard Title	E2227-02 Standard Guide for Forensic Examination of Non-Reactive Dyes in Textile Fibers by Thin-Layer Chromatography
Published Code	ASTM
Publication Date	2002
Pages Count	6
ICS Codes	71.040.50 - Physicochemical methods of analysis

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ASTM-E2227 2002

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