ASTM-C1219:2005 Edition

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C1219-05 Standard Test Methods for Arsenic in Uranium Hexafluoride

Published By	Publication Date	Number of Pages
ASTM	2005	5

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Description

ASTM C1219-05

Historical Standard: Standard Test Methods for Arsenic in Uranium Hexafluoride

ASTM C1219

Scope

1.1 These test methods are applicable to the determination of total arsenic in uranium hexafluoride (UF6) by atomic absorption spectrometry. Two test methods are given: Test Method A-Arsine Generation-Atomic Absorption (Sections ), and Test Method B-Graphite Furnace Atomic Absorption ().

1.2 The test methods are equivalent. The limit of detection for each test method is 0.1 g As/g U when using a sample containing 0.5 to 1.0 g U. Test Method B does not have the complete collection details for precision and bias data thus the method appears as an appendix.

1.3 Test Method A covers the measurement of arsenic in uranyl fluoride (UO2F2) solutions by converting arsenic to arsine and measuring the arsine vapor by flame atomic absorption spectrometry.

1.4 Test Method B utilizes a solvent extraction to remove the uranium from the UO2F2 solution prior to measurement of the arsenic by graphite furnace atomic absorption spectrometry.

1.5 Both insoluble and soluble arsenic are measured when UF6 is prepared according to Test Method C 761.

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.

Keywords

arsenic; arsine; arsine generation; atomic absorption spectrometry; graphite furnace; uranium hexafluoride; uranyl fluoride; Zeeman background correction

ICS Code

ICS Number Code n/a

DOI: 10.1520/C1219-05

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Methods Significance and Use Interferences
2	Apparatus Reagents and Materials Calibration and Standardization Procedure TABLE 1 TABLE 2
3	Calculation Precision and Bias Keywords X1. TEST METHOD B—GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY X1.1 Interferences X1.2 Apparatus TABLE 3 TABLE 4
4	X1.3 Reagents and Materials X1.4 Calibration and Standardization X1.5 Procedure TABLE X1.1 TABLE X1.2
5	X1.6 Calculation X1.7 Precision and Bias TABLE X1.3 TABLE X1.4