1.1 This test method covers the isotopic abundance analysis or ²³⁴U, ²³⁵U and ²³⁸U in samples of hydrolysed uranium hexafluoride (UF₆) by inductively coupled plasma source, multi-collector, mass spectrometry (ICP-MC-MS). This test method is also describe in ASTM STP 1344.

1.2 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.