Standard Guide for Microscopic Examination of Textile Fibers
Standard Guide for Microscopic Examination of Textile FibersE2228-02ASTM|E2228-02|en-USStandard Guide for Microscopic Examination of Textile FibersStandardE2228 Standard Guide for Microscopic Examination of Textile Fibers>newBOS Vol. 14.02 Committee E30
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Significance and Use
Microscopic examination is one of the least destructive means of determining rapid and accurate microscopic characteristics and generic polymer type of textile fibers. Additionally, a point-by-point, side-by-side microscopic comparison provides the most discriminating method of determining if two or more fibers are consistent with originating from the same source. This guideline requires specific pieces of instrumentation outlined herein.
Scope
1.1 This section describes guidelines for microscopical examinations employed in forensic fiber characterization, identification, and comparison. Several types of light microscopes are used including stereobinocular, polarized light, comparison, fluorescence and interference. In certain instances, the scanning electron microscope may yield additional information. Select which test(s) or techniques to use based upon the nature and extent of the fiber evidence.
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