ASTM C799-19

Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions

ASTM International , 07/01/2019

Publisher: ASTM

File Format: PDF

$27.00$54.00

Description

Standard By:ASTM International , 07/01/2019

Published:07/01/2019

Pages:14

File Size:1 file , 270 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

1.1These test methods cover procedures for the chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of nuclear-grade uranyl nitrate solution to determine compliance with specifications.

1.2The analytical procedures appear in the following order:

	Sections
Determination of Uranium	8
Specific Gravity by Pycnometry	16 - 21
Free Acid by Oxalate Complexation	22 - 28
Determination of Thorium	29
Determination of Chromium	30
Determination of Molybdenum	31
Halogens Separation by Steam Distillation	32 - 36
Fluoride by Specific Ion Electrode	37 - 43
Halogen Distillate Analysis: Chloride, Bromide, and Iodide by Amperometric Microtitrimetry	44
Determination of Chloride and Bromide	45
Determination of Sulfur by X-Ray Fluorescence	46
Sulfate Sulfur by (Photometric) Turbidimetry	47
Phosphorus by the Molybdenum Blue (Photometric) Method	55 - 62
Silicon by the Molybdenum Blue (Photometric) Method	63 - 70
Carbon by Persulfate Oxidation-Acid Titrimetry	71
Conversion to U₃O₈	72 - 75
Boron by Emission Spectrography	^A
Impurity Elements by Spark Source Mass Spectrography	77
Isotopic Composition by Thermal Ionization Mass Spectrometry	78
Uranium-232 by Alpha Spectrometry	79 - 85
Total Alpha Activity by Direct Alpha Counting	86 - 92
Fission Product Activity by Beta Counting	93 - 99
Entrained Organic Matter by Infrared Spectrophotometry	100
Fission Product Activity by Gamma Counting	101
Determination of Arsenic	102
Determination of Impurities for the EBC Calculation	103
Determination of Technetium 99	104
Determination of Plutonium and Neptunium	105

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4This 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. Specific precautionary statements are given in Section 6.

1.5This 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.