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. | File Size : | 1
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| Number of Pages : | 29 |
| Published : | 07/01/2024 |
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