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ASTM B 671 : 1981 : R1999 : EDT 1

ASTM B 671 : 1981 : R1999 : EDT 1

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Refined Iridium

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

10-05-1999

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 02.04, 2017 Describes refined iridium as sponge and powder in two grades as follows: - Grade 99.80 (UNS PO6100) - Iridium having a purity of 99.80%. - Grade 99.90 - Iridium having a purity of 99.90%.

Committee
B 02
DocumentType
Standard
Pages
2
ProductNote
Reconfirmed EDT 1
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

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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