ASTM C758-98

1.1 These test methods cover procedures for the chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of nuclear-grade plutonium metal to determine compliance with specifications.

1.2 The analytical procedures appear in the following order:

Sections Dissolution Procedure 7 to 12 Plutonium by Controlled-Potential Coulometry 2 Plutonium by Amperometric Titration with Iron (II) 2 Plutonium by Ceric Sulfate Titration Test Method 17 to 19 Uranium by Arsenazo I Spectrophotometric Test Method 20 to 22 Thorium by Thorin Spectrophotometric Test Method 23 to 25 Iron by 1,10-Phenanthroline Spectrophotometric Test Method 26 to 28 Iron by 2,2[prime]-Bipyridyl Spectrophotometric Test Method 29 to 35 Chloride by the Thiocyanate Spectrophotometric Test Method 36 to 38 Fluoride by Distillation-Spectrophotometric Test Method 39 to 40 Nitrogen by Distillation-Nesaler Reagent Spectrophotometric Test Method 41 to 42 Carbon by the Direct Combustion-Thermal Conductivity Test Method 43 to 45 Sulfur by Distillation-Spectrophotometric Test Method 46 to 48 Isotopic Composition by Mass Spectrometry 49 to 50 Americium-241 by Extraction and Gamma Counting 51 to 53 Americium-241 by Gamma Counting 54 to 56 Gamma-Emitting Fission Products, Uranium, and Thorium by 57 to 64 Gamma-Ray Spectroscopy Rare Earths by Copper Spark Spectrochemical Test Method 65 to 67 Tungsten, Niobium (Columbium), and Tantalum by Spectro-chemical Test Method 68 to 70 Sample Preparation for Spectrographic Analysis for Trace Impurities 71 to 75

1.3 This standard does not purport to address all of the safety problems, 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. For specific safeguard and safety hazards statements, see Section 5.