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ASTM International, 05/01/2020
Publisher: ASTM
File Format: PDF
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Published:01/05/2020
Pages:9
File Size:1 file , 120 KB
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1.1 These test methods cover the chemical analysis of graphite.
1.2 The analytical procedures appear in the following order:
Sections
Silicon by the Molybdenum Blue (Colorimetric) Test Method
9 to 15
Iron by the o-Phenanthroline (Colorimetric) Test Method
16 to 22
Calcium by the Permanganate (Colorimetric) Test Method
23 to 29
Aluminum by the 2-Quinizarin Sulfonic Acid Test Method
30 to 36
Titanium by the Peroxide (Colorimetric) Test Method
37 to 44
Vanadium by the 3,3′-Dimethylnaphthidine (Colorimetric) Test Method
45 to 52
Boron by the Curcumin-Oxalic Acid (Colorimetric) Test Method
53 to 60
1.3 The preferred concentration of sought element in the final solution, the limits of sensitivity, and the precision of the results are given in Table 1.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 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. See 56.1 for specific caution statement.
1.6 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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