ASTM C 560:2020

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.

71.060.10