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ASTM E878-20
Standard Test Method for Determination of Titanium in Iron Ores and Related Materials by Diantipyrylmethane Ultraviolet Spectrophotometry
NORMA vydaná dňa 1.11.2020
Informácie o norme:
Označenie normy: ASTM E878-20
Dátum vydania normy: 1.11.2020
Kód tovaru: NS-1029695
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E878-20 :
Keywords:
diantipyrylmethane, iron ore, spectrophotometric titanium, spectrophotometry, titanium,, ICS Number Code 73.060.10 (Iron ores)
Doplňujúce informácie
| Significance and Use | ||||||||||||||
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5.1?This test method is intended to be used for compliance with compositional specifications for titanium content. It is assumed that all who use these procedures will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E882. |
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| 1. Scope | ||||||||||||||
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1.1?This test method covers the determination of titanium in iron ores, concentrates, and agglomerates in the compositional range from 0.01 % to 6.0 % titanium. Note 1:?As used in this test method (except as related to the
term 1.2?UnitsThe values stated in SI units are to
be regarded as standard. No other units of measurement are included
in this standard.
1.3?This test method has been evaluated in accordance with Practice E1601 and Guide E1763. Unless otherwise noted in Section 13, the lower limit in the scope of each method specifies the lowest analyte content that may be analyzed with acceptable error (defined as a nominal 5 % risk of obtaining a 50 % or larger relative difference in results on the same test sample in two laboratories). 1.4?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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5?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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