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ASTM International, 02/01/2019
Publisher: ASTM
File Format: PDF
$34.00$69.00
Published:01/02/2019
Pages:28
File Size:1 file , 390 KB
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1.1 These test methods cover procedures for the chemical, mass spectrometric, and spectrochemical analysis of nuclear-grade boron carbide powder and pellets to determine compliance with specifications.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The analytical procedures appear in the following order:
Sections
Total Carbon by Combustion in an Inductive Furnace and Infrared Measurement
8 - 17
Total Boron by Titrimetry and ICP OES
18 - 28
Isotopic Composition by Mass Spectrometry
29 - 33
Pyrohydrolysis
34 - 41
Chloride by Constant-Current Coulometry
42 - 50
Chloride and Fluoride by Ion-Selective Electrode
51 - 59
Water by Constant-Voltage Coulometry and Weight Loss on Drying
60 - 63
Metallic Impurities by DCArc OES and wet chemical methods
64 and 65
Soluble Boron by Titrimetry and ICP OES
66 - 80
Free Carbon by a Coulometric Method
81 - 90
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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