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Privacy Overview. Brown discoloration will form at edges of specimen. Immerse few seconds to a few minutes. Precaution—Properly discard before solution attains a dark orange color. Pure Mgadtm, 74a,74a,74a,,, 74a,awtm,, 74a, 1d,,, 74a, 1d,, 98c, a general structure stain-free polish-etch general structure general structure phase identi? After etching, water — alcohol rinse, and dry. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

Where ethanol or methanol, or both are listed as alternates, ethanol is the preferred solvent. Properly discard when dark yellow. The specimen is polished on this wheel until the surface turns black. Safety precautions and miscellaneous information are also included. 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. Your Alert Profile lists the documents that will be monitored. This is imperative with etchants that give off noxious odors or toxic vapors that may accumulate or become explosive. For stock solution, mix? If the chemical is not listed or if chemical mixtures are being used, contact the glove manufacturer for a recommendation. The specimen is polished on this wheel until the surface turns black. For highly corrosion-resistant alloys, use 20—30 mL HCl.

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