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ASTM B671-81(1999)e1
Standard Specification for Refined Iridium (Includes all amendments And changes 8/16/2017).
Automatically translated name:
Standard Specification for Refined Iridium
STANDARD published on 10.5.1999
The information about the standard:
Designation standards: ASTM B671-81(1999)e1
Note: WITHDRAWN
Publication date standards: 10.5.1999
SKU: NS-7647
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM B671-81(1999)e1 :
Keywords:
Iridium, Sponge, refined iridium (sponge/powder), spec, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
Additional information
| 1. Scope | ||
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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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| 2. Referenced Documents | ||
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