ASTM B 671 : 1981 : R1999 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
Hardcopy , PDF
11-11-2014
English
10-05-1999
Important note : Users cannot be edited or removed once added to your Multi user PDF.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Superseded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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