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ASTM C560-20

Current Revision

Standard Test Methods for Chemical Analysis of Graphite

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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.


4.1 These test methods provide a practical way to measure the concentration of certain trace elements in graphite. Many end uses of graphite require that it be free of elements which may be incompatible with certain nuclear applications. Other elemental contamination can affect the rate of oxidative degradation.

4.2 These test methods allow measurement of trace amounts of contaminants with a minimal amount of costly equipment. The colorimetric procedures used are accessible to most laboratories.

4.3 Other instrumental analysis techniques are available, capable of simultaneous quantitative analysis of 76 stable elements in a single run, with detectability limits in the parts per million range. Standards are currently being developed for elemental analysis of impurities in graphite using glow discharge mass spectrometry (GDMS), inductively coupled plasma optical emission spectroscopy (ICP-OES), combustion ion chromatography (CIC).

SDO ASTM: ASTM International
Document Number C560
Publication Date May 1, 2020
Language en - English
Page Count 9
Revision Level 20
Supercedes
Committee D02.F0
Publish Date Document Id Type View
May 1, 2020 C0560-20 Revision
Oct. 1, 2015 C0560-15E01 Revision
Oct. 1, 2015 C0560-15 Revision
May 1, 2005 C0560-88R05E01 Revision
May 11, 1999 C0560-88R98 Revision
May 1, 2010 C0560-88R10E01 Reaffirmation
May 1, 2005 C0560-88R05 Reaffirmation