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ASTM C1219

2005 Edition, August 1, 2005

Complete Document

Standard Test Methods for Arsenic in Uranium Hexafluoride

Includes all amendments and changes through Reapproval Notice , 2009

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Superseded By:

Additional Comments:
W/D S/S BY C1287
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Product Details:

  • Revision: 2005 Edition, August 1, 2005
  • Published Date: January 2009
  • Status: Superseded By:
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 5
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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 5-10), and Test Method B—Graphite Furnace Atomic Absorption (Appendix X1).

The test methods are equivalent. The limit of detection for each test method is 0.1 μg 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.

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.

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.

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

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

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.