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ASTM C758-18

Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal

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NORM herausgegeben am 1.9.2018

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Informationen über die Norm:

Bezeichnung normen: ASTM C758-18
Ausgabedatum normen: 1.9.2018
SKU: NS-900400
Zahl der Seiten: 9
Gewicht ca.: 27 g (0.06 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Fissile materials

Die Annotation des Normtextes ASTM C758-18 :

Keywords:
impurity content, isotopic composition, plutonium content, plutonium metal,, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

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Significance and Use

4.1 These test methods are designed to show whether a given material meets the purchaser's specifications.

4.1.1 An assay is performed to determine whether the material has the specified plutonium content.

4.1.2 Determination of the isotopic content of the plutonium is made to establish whether the effective fissile content is in compliance with the purchaser's specifications.

4.1.3 Impurity content is verified by a variety of methods to ensure that the maximum concentration limit of specified impurities is not exceeded. Determination of impurities is also required for calculation of the equivalent boron content (EBC).

4.2 Fitness for Purpose of Safeguards and Nuclear Safety Applications—Methods intended for use in safeguards and nuclear safety applications shall meet the requirements specified by Guide C1068 for use in such applications.

1. Scope

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

1.2 The analytical procedures appear in the following order:

Sections

Dissolution Procedure

Plutonium by Controlled-Potential Coulometry

Plutonium by Amperometric Titration with Iron (II)

Plutonium by Ceric Sulfate Titration Test Method

Plutonium by Diode Array Spectrophotometry

Uranium by Arsenazo I Spectrophotometric Test Method

8 – 10

Thorium by Thorin Spectrophotometric Test Method

11 – 13

Iron by 1,10-Phenanthroline Spectrophotometric Test Method

14 – 16

Iron by 2,2ʹ-Bipyridyl Spectrophotometric Test Method

17 – 23

Impurities by ICP-AES

Chloride by the Thiocyanate Spectrophotometric Test Method

24 – 26

Fluoride by Distillation-Spectrophotometric Test Method

27–28

Nitrogen by Distillation-Nessler Reagent Spectrophotometric Test
Method

29–30

Carbon by the Direct Combustion-Thermal Conductivity Test
Method

31 – 33

Sulfur by Distillation-Spectrophotometric Test Method

34 – 36

Isotopic Composition by Mass Spectrometry

37 and 38

Plutonium-238 Isotopic Abundance by Alpha Spectrometry

Americium-241 by Extraction and Gamma Counting

39 – 41

Americium-241 by Gamma Counting

Gamma-Emitting Fission Products, Uranium, and Thorium by
Gamma-Ray Spectroscopy

42 – 49

Rare Earths by Copper Spark Spectrochemical Test Method

50 – 52

Tungsten, Niobium (Columbium), and Tantalum by Spectro-
chemical Test Method

53 – 55

Sample Preparation for Spectrographic Analysis for Trace Impuri-
ties

56 – 60

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

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.

2. Referenced Documents

C852-09	Standard Guide for Design Criteria for Plutonium Gloveboxes
C1268-23	Standard Test Method for Quantitative Determination of 241Am in Plutonium by Gamma-Ray Spectrometry
C1068-21	Standard Guide for Qualification of Measurement Methods by a Laboratory Within the Nuclear Industry
C1108-23	Standard Test Method for Plutonium by Controlled-Potential Coulometry
C1128-23	Standard Guide for Preparation of Working Reference Materials for Use in Analysis of Nuclear Fuel Cycle Materials
C1156-18	Standard Guide for Establishing Calibration for a Measurement Method Used to Analyze Nuclear Fuel Cycle Materials
C1165-23	Standard Test Method for Determining Plutonium by Controlled-Potential Coulometry in H2SO4 at a Platinum Working Electrode
C759-18	Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions
C698-16	Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O2)
C697-16	Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
C1168-23	Standard Practice for Preparation and Dissolution of Plutonium Materials for Analysis
C1432-23	Standard Test Method for Determination of Impurities in Plutonium: Acid Dissolution, Ion Exchange Matrix Separation, and Inductively Coupled Plasma-Atomic Emission Spectroscopic (ICP/AES) Analysis
C1235-99	Standard Test Method for Plutonium by Titanium(III)/Cerium(IV) Titration (Withdrawn 2005)
C1210-21	Standard Guide for Establishing a Measurement System Quality Control Program for Analytical Chemistry Laboratories Within Nuclear Industry
C1206-02	Standard Test Method for Plutonium by Iron (II)/Chromium (VI) Amperometric Titration
C1415-18	Standard Test Method for 238Pu Isotopic Abundance By Alpha Spectrometry
D1193-06(2018)	Standard Specification for Reagent Water
C1307-21	Standard Test Method for Plutonium Assay by Plutonium (III) Diode Array Spectrophotometry
C1297-18	Standard Guide for Qualification of Laboratory Analysts for the Analysis of Nuclear Fuel Cycle Materials
C1009-21	Standard Guide for Establishing and Maintaining a Quality Assurance Program for Analytical Laboratories Within the Nuclear Industry