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Nuclear energy — Nuclear fuel technology — Determination of neptunium in nitric acid solutions by spectrophotometry

90.92 Standard to be revised

ISO/TC 85/SC 5

Nuclear fuel technology — Administrative criteria related to nuclear criticality safety

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear fuel technology — Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and isotopic dilution analysis by solvent extraction chromatography — Part 1: Samples containing plutonium in the microgram range and uranium in the milligram range

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear fuel technology — Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and isotopic dilution analysis by solvent extraction chromatography — Part 2: Samples containing plutonium and uranium in the nanogram range and below

90.93 Standard confirmed

ISO/TC 85/SC 5

Re-sintering test for UO2, (U,Gd)O2 and (U,Pu)O2 pellets

90.60 Close of review

ISO/TC 85/SC 5

Nuclear energy — Isotopic analysis of uranium hexafluoride — Double-standard gas-source mass spectrometric method

90.20 Standard under periodical review

ISO/TC 85/SC 5

Nuclear energy — Determination of total hydrogen content in PuO2 and UO2 powders and UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets — Inert gas extraction and conductivity detection method

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear criticality safety — Estimation of the number of fissions of a postulated criticality accident

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear criticality safety — Estimation of the number of fissions of a postulated criticality accident — Amendment 1

00.00 Proposal for new project received

ISO/TC 85/SC 5

Nuclear energy — Evaluation of homogeneity of Gd distribution within gadolinium fuel blends and determination of Gd2O3 content in gadolinium fuel pellets by measurements of uranium and gadolinium elements

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear fuel technology — Guidelines for ceramographic preparation of UO2 sintered pellets for microstructure examination

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear energy — Determination of carbon compounds and fluorides in uranium hexafluoride infrared spectrometry

90.60 Close of review

ISO/TC 85/SC 5

Nuclear energy — Determination of Gd2O3 content in pellets containing uranium oxide by X-ray fluorescence spectrometry

60.60 Standard published

ISO/TC 85/SC 5

Nuclear energy — Determination of Gd2O3 content in gadolinium fuel blends and gadolinium fuel pellets by atomic emission spectrometry using an inductively coupled plasma source (ICP-AES)

60.60 Standard published

ISO/TC 85/SC 5

Nuclear energy — Soxhlet-mode chemical durability test — Application to vitrified matrixes for high-level radioactive waste

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear energy — Nuclear fuel technology — Theoretical activation calculation method to evaluate the radioactivity of activated waste generated at nuclear reactors

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear energy — Fissile materials — Principles of criticality safety in storing, handling and processing

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear energy — Fissile materials — Principles of criticality safety in storing, handling and processing — Amendment 1: Methods of control and safety equipment

60.60 Standard published

ISO/TC 85/SC 5