ASTM-B671 › Historical Revision Information
Standard Specification for Refined Iridium
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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.
Scope
1.1 This specification covers refined iridium as sponge and powder in two grades as follows:
1.1.1 Grade 99.80 (UNS PO6100)— Iridium having a purity of 99.80 %.
1.1.2 Grade 99.90— Iridium having a purity of 99.90 %.
Note 1—For the purposes of determining conformance with this specification, an observed value obtained from analysis shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the limiting value, in accordance with the rounding method of Practice E 29.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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 Material Safety Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
Keywords
iridium; refined iridium; sponge; ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
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77.120.99 (Other non-ferrous metals and their alloys)
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Document Number
ASTM-B671-81(2005)
Revision Level
1981 R05 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
May 1, 2005
Document Type
Specification
Page Count
2 pages
Committee Number
B02.05