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Informace o normě:
Označení normy: ASTM B717-23
Datum vydání normy: 1.4.2023
Kód zboží: NS-1142731
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM B717-23 :
This specification covers refined ruthenium as sponge and powder in one grade as follows: Grade 99.80 and Grade 99.90. The material may be produced by any refining process that yields a product capable of meeting the chemical requirements of this specification. The material should conform to the requirements for chemical composition as prescribed.
Keywords:
refined ruthenium, ruthenium, sponge,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
Doplňující informace
| 1. Scope | ||
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1.1?This specification covers refined ruthenium as sponge and powder in one grade as follows: 1.1.1?Grade 99.80Ruthenium having a purity of 99.80 %. 1.1.2?Grade 99.90Ruthenium 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.
1.2?The 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. 1.3?This 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, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.4?This 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. |
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| 2. Referenced Documents | ||
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