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ASTM-C1379:2004 Edition

ASTM-C1379:2004 Edition

$40.63

C1379-04 Standard Test Method for Analysis of Urine for Uranium-235 and Uranium-238 Isotopes by Inductively Coupled Plasma-Mass Spectrometry

Published By Publication Date Number of Pages
ASTM 2004 6
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1.1 This test method covers the determination of the concentration of uranium-235 and uranium-238 in urine using Inductively Coupled Plasma-Mass Spectrometry. This test method can be used to support uranium facility bioassay programs.

1.2 This method detection limits for 235 U and 238 U are 6 ng/L. To meet the requirements of ANSI N13.30, the minimum detectable activity (MDA) of each radionuclide measured must be at least 0.1 pCi/L (0.0037 Bq/L). The MDA translates to 47 ng/L for 235 U and 300 ng/L for 238 U. Uranium- 234 cannot be determined at the MDA with this test method because of its low mass concentration level equivalent to 0.1 pCi/L.

1.3 The digestion and anion separation of urine may not be necessary when uranium concentrations of more than 100 ng/L are present.

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.

The ICP-MS is a source of intense ultraviolet radiation from the radio frequency induced plasma. Protection from radio frequency radiation and UV radiation is provided by the instrument under normal operation.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
Significance and Use
2 Interferences
Apparatus
Reagents and Materials
3 Sampling, Test Specimens, and Test Units
Calibration and Standardization
Procedure
4 Calculation of Results
Precision and Bias
Keywords
TABLE 1
5 X1. QUALITY ASSURANCE AND QUALITY CONTROL
X1.1
X1.2
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
X1.9
X1.10
TABLE 2
6 REFERENCES

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