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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard Specification for Refined Iridium
English
10-05-1999
11-11-2014
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Superseded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.
Please Login or Create an Account so you can add users to your Multi user PDF Later.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Users cannot be edited or removed once added to your Multi user PDF.