(under subclass 775) Subject matter in which the chemical composition of a metal or metal alloy is determined.
(1) Note. This subclass does not provide for analysis or testing for localized variations in composition unless combined with the determination of the overall chemical composition of a metal or metal alloy.
SEE OR SEARCH THIS CLASS, SUBCLASS:
790.5+, for electrolytic analysis or testing of a solid material for other properties, particularly subclass 791.5 for defects in solid material.