Standard Specification for Refined Gold
NORMA vydaná dňa 1.11.2021
Označenie normy: ASTM B562-95(2021)
Dátum vydania normy: 1.11.2021
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This specification covers refined gold of Grades 99.5, 99.95, 99.99, and 99.995 in cast bar forms. Other forms of unfabricated gold of commerce are not to be excluded under this specification. The metal may be produced by any refining process that yields products capable of meeting the specified chemical composition requirements. Chemical assessment samples may be taken from the melt before pouring and shall be in the form of shots or pins, or by other alternative means on agreement between the manufacturer and purchaser.
Keywords:
gold, refined gold,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)