ASTM D 542 – 00 International standard

Standard Test Method for Index of Refraction of Transparent Organic Plastics1

This general is issued beneath the fixed designation d 542; the wide variety at once following the designation shows the yr of original adoption or, in the case of revision, the 12 months of remaining revision. Various in parentheses suggests the 12 months of final reapproval. A superscript epsilon (e) indicates a piece of writing trade since the closing revision or reapproval.
This widespread has been authorized for use by means of agencies of the department of defense.

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