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ASTM International - ASTM B671-81(1999)e1

Standard Specification for Refined Iridium

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Organization: ASTM International
Publication Date: 10 May 1999
Status: inactive
Page Count: 2
ICS Code (Other non-ferrous metals and their alloys): 77.120.99
scope:

1.1 This specification covers refined iridium as sponge and powder in two grades as follows:

1.1.1 Grade 99.80 -Iridium having a purity of 99.80%.

1.1.2 Grade 99.90 -Iridium having a purity of 99.90%.

Note-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 E29.

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.

Document History

November 1, 2021
Standard Specification for Refined Iridium
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...
April 1, 2017
Standard Specification for Refined Iridium
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...
December 1, 2010
Standard Specification for Refined Iridium
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...
May 1, 2005
Standard Specification for Refined Iridium
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...
ASTM B671-81(1999)e1
May 10, 1999
Standard Specification for Refined Iridium
1.1 This specification covers refined iridium as sponge and powder in two grades as follows: 1.1.1 Grade 99.80 -Iridium having a purity of 99.80%. 1.1.2 Grade 99.90 -Iridium having a purity of...
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