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  • ASTM
    C791-24 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide (Redline)
    Edition: 2024
    $148.51
    Unlimited Users per year

Description of ASTM-C791 2024

ASTM C791-24

Redline Standard: Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide




ASTM C791

Scope

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.


Keywords

analytical methods; boron carbide; chloride; combustion analysis; constant-current coulometry; constant-voltage coulometry; coulometry; DCArc-OES; fluoride; free carbon; ICP-OES; ICP-MS; inductive furnace; infrared absorption; ion-selective electrode; isotopic composition; mannitoboric-acid procedure; mass spectrometry; metallic impurities; pyrohydrolysis; soluble boron; TIMS; titrimetry; total boron; total carbon; water content; weight loss on drying;


ICS Code

ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)


DOI: 10.1520/C0791-24

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About ASTM

ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.

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