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Standard Practice for Micro Etching Metals and Alloys
This standard is issued under the ﬁxed designation E407; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of the last re-approval. A superscript epsilon (´) indicates an editorial change since the last revision or re-approval.
1.1 This practice covers chemical solutions and procedures to be used in etching metals and alloys for microscopic examination. Safety precautions and miscellaneous information are also included.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For speciﬁc cautionary statements, see 6.1 and Table 2.