Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM B671-81(1999)e1

Standard Specification for Refined Iridium

Standard Specification for Refined Iridium B0671-81R99E01 ASTM|B0671-81R99E01|en-US Standard Specification for Refined Iridium Standard new BOS Vol. 02.04 Committee B02
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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.

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Details
Book of Standards Volume: 02.04
Developed by Subcommittee: B02.05
Pages: 2
DOI: 10.1520/B0671-81R99E01
ICS Code: 77.120.99