Active standard | Published: 01/11/2021

ASTM B671-81(2021)

Standard Specification for Refined Iridium

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Detail information

Designation: ASTM B671-81(2021)

Publication date: 01/11/2021

Pages: 2

Country: American technical standard

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Anotation

This specification covers refined iridium as sponge and powder in two grades, Grade 99.80 (UNS PO6100) and Grade 99.90. The metal may be produced by any refining process. They shall conform to the required chemical composition for iridium, rhodium, platinum, palladium, ruthenium, lead, silicon, tin, zinc, arsenic, bismuth, cadmium, iron, silver, gold, copper, nickel, and chromium. The sampling procedures shall consist of sponge lot and powder lot.

Keywords:
iridium, refined iridium, sponge,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

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