Standard Practice for the Determination of <sup>237</sup>Np, <sup>232</sup>Th, <sup>235</sup>U and <sup>238</sup>U in Urine by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) and Gamma Ray Spectrometry.— 5 стр.
Standard Test Method for Analysis of Urine for Uranium-235 and Uranium-238 Isotopes by Inductively Coupled Plasma-Mass Spectrometry (Withdrawn 2017)— 5 стр.
Standard Practice for the Determination of <sup>237</sup>Np, <sup>232</sup>Th, <sup>235</sup>U and <sup>238</sup>U in Urine by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) and Gamma Ray Spectrometry. (Withdrawn 2015)— 5 стр.
Standard Practice for the Determination of <sup>237</sup>Np, <sup>232</sup>Th, <sup>235</sup>U and <sup>238</sup>U in Urine by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) and Gamma Ray Spectrometry. (Withdrawn 2015)— 5 стр.