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ASTM C 1475 : 2017

Current
Current

The latest, up-to-date edition.

Standard Guide for Determination of Neptunium-237 in Soil
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-06-2017

1.1This guide covers the determination of neptunium-237 in soil by means of radiochemical separations and alpha spectrometry. This guide provides options in the selection of sample preparation, separation, and measurement. Although neptunium-237 is not a component of global fallout, it is a product of production reactors and spent fuel processing. This guide is designed for analysis of ten grams of soil previously collected and treated in accordance with Practices C998 and C999. Larger-size samples of environmental soil may also be analyzed, as long as the concentrations of interferences such as uranium and thorium are at or near environmental concentrations. Depending on the choice of a sample dissolution method, all chemical forms of neptunium may not be completely solubilized. This guide should allow the determination of neptunium-237 concentrations from sub becquerel per gram levels to applicable standards depending on count time, sample size, detector efficiency, background, and tracer yield.

1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3This 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 9.

1.4This 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.

Committee
C 26
DocumentType
Guide
Pages
4
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM C 1561 : 2010 : R2016 Standard Guide for Determination of Plutonium and Neptunium in Uranium Hexafluoride and U-Rich Matrix by Alpha Spectrometry

ASTM C 859 : 2023 Standard Terminology Relating to Nuclear Materials
ASTM D 1890 : 1996 Standard Test Method for Beta Particle Radioactivity of Water
ASTM C 859 : 2014 : REV B Standard Terminology Relating to Nuclear Materials
ASTM C 859 : 2024 Standard Terminology Relating to Nuclear Materials
ASTM C 1284 : 2000 Standard Practice for Electrodeposition of the Actinides for Alpha Spectrometry
ASTM D 3084 :2005 Standard Practice for Alpha-Particle Spectrometry of Water
ASTM D 1193 : 1977 : R1983 : EDT 1 Standard Specification for Reagent Water
ASTM C 1000 : 2011 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM C 1284 : 2000 : R2005 Standard Practice for Electrodeposition of the Actinides for Alpha Spectrometry
ASTM C 1000 : 2000 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM C 1387 : 2008 Standard Guide for the Determination of Technetium-99 in Soil
ASTM D 4962 : 1995 : EDT 1 Standard Practice for NaI(Tl) Gamma-Ray Spectrometry of Water
ASTM C 1163 : 2003 Standard Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride
ASTM D 1890 : 2005 Standard Test Method for Beta Particle Radioactivity of Water
ASTM D 1890 : 2005 : R2012 Standard Test Method for Beta Particle Radioactivity of Water
ASTM C 1284 : 2010 Standard Practice for Electrodeposition of the Actinides for Alpha Spectrometry
ASTM C 1163 : 2008 Standard Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride
ASTM C 1342 : 1996 Standard Practice for Flux Fusion Sample Distribution (Withdrawn 2001)
ASTM C 1387 : 2003 Standard Guide for the Determination of Technetium-99 in Soil
ASTM D 1193 : 2006 : R2011 Standard Specification for Reagent Water
ASTM C 1412 : 1999 Standard Practice for Microwave Oven Dissolution of Glass Containing Radioactive and Mixed Wastes (Withdrawn 2001)
ASTM C 1001 : 2000 Standard Test Method for Radiochemical Determination of Plutonium in Soil by Alpha Spectroscopy
ASTM C 859 : 2022 Standard Terminology Relating to Nuclear Materials
ASTM C 859 : 2022 : REV A Standard Terminology Relating to Nuclear Materials
ASTM C 1387 : 2014 Standard Guide for the Determination of Technetium-99 in Soil
ASTM C 1000 : 2005 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
ASTM D 1193 : 1991 Standard Specification for Reagent Water
ASTM D 1890 : 2015 Standard Test Method for Beta Particle Radioactivity of Water 
ASTM C 1387 : 1998 Standard Guide for Determination of Technetium-99 in Soil
ASTM D 4962 : 2018 Standard Practice for NaI(Tl) Gamma-Ray Spectrometry of Water
ASTM C 1163 : 2014 Standard Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride
ASTM C 1001 : 2005 Standard Test Method for Radiochemical Determination of Plutonium in Soil by Alpha Spectroscopy
ASTM D 4962 : 2002 : R2009 Standard Practice for NaI(Tl) Gamma-Ray Spectrometry of Water
ASTM C 1001 : 2011 Standard Test Method for Radiochemical Determination of Plutonium in Soil by Alpha Spectroscopy
ASTM C 1387 : 2023 Standard Guide for the Determination of Technetium-99 in Soil
ASTM C 1163 : 2014 : R2023 Standard Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride
ASTM D 4962 : 2017 Standard Practice for NaI(Tl) Gamma-Ray Spectrometry of Water
ASTM D 1193 : 1970 Standard Specification For Reagent Water
ASTM D 1193 : 2006 Standard Specification for Reagent Water
ASTM D 1193 : 1999 Standard Specification for Reagent Water
ASTM D 3084 : 1996 Standard Practice for Alpha-Particle Spectrometry of Water
ASTM C 1163 : 1998 Standard Test Method for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride
ASTM D 1890 : 2015 : R2017 Standard Test Method for Beta Particle Radioactivity of Water
ASTM C 1284 : 2018 Standard Practice for Electrodeposition of the Actinides for Alpha Spectrometry
ASTM D 1193 : 2006 : R2018 Standard Specification for Reagent Water
ASTM D 3084 : 2005 : R2012 Standard Practice for Alpha-Particle Spectrometry of Water
ASTM D 4962 : 2002 Standard Practice for NaI(Tl) Gamma-Ray Spectrometry of Water

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