ASTM C1771-19 - 1.11.2019
 
Significance and Use

5.1 This method is capable of measuring the concentration of boron, silicon, and technetium in UF6. Limits for these contaminants are set in Specifications C787 and C996.

 
1. Scope

1.1 This test method covers the determination of boron, silicon, and technetium in hydrolyzed uranium hexafluoride (UF6) by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) after separation of the uranium by solid phase extraction.

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

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Some specific hazards statements are given in Section 7 on Hazards.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 
2. Referenced Documents

C1346-19

Standard Practice for Dissolution of UF6 from P-10 Tubes

C1689-21

Standard Practice for Subsampling of Uranium Hexafluoride

C996-20

Standard Specification for Uranium Hexafluoride Enriched to Less Than 5 % 235U

D1193-06(2018)

Standard Specification for Reagent Water

C787-20

Standard Specification for Uranium Hexafluoride for Enrichment

C859-24

Standard Terminology Relating to Nuclear Materials