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Standard Specification for Refined Gold
Přeložit název
NORMA vydána dne 1.11.2021
Označení normy: ASTM B562-95(2021)
Datum vydání normy: 1.11.2021
Kód zboží: NS-1044032
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: 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)
1. Scope | ||||
1.1?This specification covers refined gold in cast bar form (Note 1). 1.1.1?Grade 99.5Gold having a minimum fineness of 995. 1.1.2?Grade 99.95Gold having a minimum fineness of 999.5. 1.1.3?Grade 99.99Gold having a minimum fineness of 999.9. 1.1.4?Grade 99.995Gold having a minimum fineness of 999.95. Note 1:?Other forms of unfabricated gold of commerce are not
to be excluded under this specification.
1.2?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3?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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||
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