ASTM B 671 : 1981 : R2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
05-01-2022
English
25-04-2017
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 2017
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1This specification covers refined iridium as sponge and powder in two grades as follows:
1.1.1Grade 99.80 (UNS PO6100)—Iridium having a purity of 99.80 %.
1.1.2Grade 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 E29.
1.2The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3This 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 Safety Data Sheet (SDS) 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.
1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
| ASTM E 29 : 2002 | Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
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