ASTM C757-16(2021)

Detailinformationen

Bezeichnung: ASTM C757-16(2021)

Ausgabedatum: 01.10.2021

Seiten: 4

Land: Amerikanische technische Norm

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Annotation

This specification covers sinterable nuclear-grade plutonium dioxide powders obtained by the oxalate precipitation route, calcination, or any other equivalent process acceptable to the buyer. Included is plutonium dioxide of various isotopic compositions as normally prepared by in-reactor neutron irradiation of natural or slightly enriched uranium, or recycled plutonium mixed with uranium. The material shall conform to required chemical compositions of plutonium, uranium, americium, impurities (boron, cadmium, carbon, chlorine, chromium, fluorine, iron, gadolinium, nickel, nitride nitrogen, and thorium), equivalent boron, and gamma activity. Materials shall also adhere to physical property requirements as to cleanliness and workmanship, particle size, and surface area.


Keywords:
mixed oxide, nuclear fuel, plutonium, plutonium dioxide ,, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)