ASTM C1255-93(1999)

Standard Test Method for Analysis of Uranium and Thorium in Soils by Energy Dispersive X-Ray Fluorescence Spectroscopy

STANDARD published on 10.1.1999

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The information about the standard:

Designation standards: ASTM C1255-93(1999)
Note: WITHDRAWN
Publication date standards: 10.1.1999
SKU: NS-10301
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM C1255-93(1999) :

Keywords:

Energy dispersive x-ray fluorescence (EDXRF), Soil, Thorium content, Uranium content, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

Additional information

1. Scope

1.1 This test method covers the energy dispersive X-ray fluorescence (EDXRF) spectrochemical analysis of trace levels of uranium and thorium in soils. Any sample matrix that differs from the general ground soil composition used for calibration (that is, fertilizer or a sample of mostly rock) would have to be calibrated separately to determine the effect of the different matrix composition.

1.2 The analysis is performed after an initial drying and grinding of the sample, and the results are reported on a dry basis. The sample preparation technique used incorporates into the sample any rocks and organic material present in the soil. This test method of sample preparation differs from other techniques that involve tumbling and sieving the sample.

1.3 Linear calibration is performed over a concentration range from 20 to 1000 [mu]g per gram for uranium and thorium.

1.4 The values stated in SI units are to be regarded as the standard. The inch-pound units in parentheses are for information only.

1.5 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 and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

E305-21	Standard Practice for Establishing and Controlling Spark Atomic Emission Spectrochemical Analytical Curves
E135-26	Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E876-89(1994)e1	Standard Practice for Use of Statistics in the Evaluation of Spectrometric Data (Withdrawn 2003)
ANSI/HPS N43.2-2001	Radiation Safety for X-ray Diffraction and X-ray Fluorescence Equipment Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
C859-26	Standard Terminology Relating to Nuclear Materials
C998-26	Standard Practice for Sampling Surface Soil for Radionuclides
D420-18	Standard Guide for Site Characterization for Engineering Design and Construction Purposes
D1452-09	Standard Practice for Soil Exploration and Sampling by Auger Borings
D1586-11	Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soils
D1587-08	Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes
D2113-14	Standard Practice for Rock Core Drilling and Sampling of Rock for Site Exploration (Withdrawn 2023)
D4697-95(2001)	Standard Guide for Maintaining Test Methods in the User's Laboratory (Withdrawn 2009)
E456-13a(2022)e1	Standard Terminology Relating to Quality and Statistics (Includes all amendments and changes 4/16/2024).
D3550-01	Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils
E882-10	Standard Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

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