【国外标准】 Test Methods for Chemical and Instrumental Analysis of Nuclear-Grade Sodium and Cover Gas (Withdrawn 1999)

1.1 These test methods provide instructions for performing chemical, radiochemical, and instrumental analyses of sodium metal and for determining impurities in cover gas. 1.2 The analytical procedures appear in the following order: Sections Bypass Sampling 6 to 12 Overflow Sampling 13 to 18 Wire and Foil Equilibration Sampling 19 to 24 Laboratory Distillation of Sodium 25 to 31 Hydrogen by Hydrogen-Diffusion Meter 32 to 37 Carbon by Oxyacidic-Flux Method 38 to 46 Carbonaceous Gases Released by Acid 47 to 54 Cyanide by Spectrophotometry 55 to 64 Oxygen by the Equilibration Method Using Vanadium Wires 65 to 74 Fluoride by Selective Ion Electrode 75 to 83 Chloride by Selective Ion Electrode 84 to 92 Trace Metals by Atomic Absorption or Flame Emission 93 to 101 Spectrophotometry Cadmium and Zinc by Atomic Absorption Spectrophotometry 102 to 111 Potassium by Atomic Absorption Spectrophotometry 112 to 121 Rubidium and Cesium by Flame Spectrometry 122 to 131 Silicon by Spectrophotometry 132 to 140 Boron by Spectrophotometry 141 to 149 Uranium by Fluorimetry 150 to 157 Oxygen by Oxygen Meter 158 to 164 Carbon by Equilibration Method 165 to 172 Hydrogen by Equilibration Method 173 to 180 Sulfur by Spectrophotometry 181 to 189 Sodium Purity By Titration 190 to 199 Plutonium by Alpha Assay 200 to 209 Gamma Assay of Distillation Residue 210 to 217 Gamma Assay of Sodium Solution 218 to 226 Radioactive Iodine by Gamma Counting 227 to 235 Tritium by Liquid Scintillation Counting 236 to 245 Particles by Filtration 246 to 254 Gaseous Impurities in Cover Gas by Gas Chromatography 255 to 263