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Nuclear energy — Uranium dioxide powder and sintered pellets — Determination of oxygen/uranium atomic ratio by the amperometric method

90.93 Standard confirmed

ISO/TC 85/SC 5

Uranium metal and uranium dioxide powder and pellets — Determination of nitrogen content — Method using ammonia-sensing electrode

90.60 Close of review

ISO/TC 85/SC 5

Uranium dioxide powder — Determination of apparent density and tap density

90.20 Standard under periodical review

ISO/TC 85/SC 5

Nuclear energy - Uranium dioxide pellets — Determination of density and volume fraction of open and closed porosity

90.93 Standard confirmed

ISO/TC 85/SC 5

Uranium dioxide pellets — Determination of density and total porosity — Mercury displacement method

90.60 Close of review

ISO/TC 85/SC 5

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

90.20 Standard under periodical review

ISO/TC 85/SC 5

Determination of carbon content in uranium dioxide powder and sintered pellets — Resistance furnace combustion — Titrimetric/coulometric/infrared absorbtion method

90.93 Standard confirmed

ISO/TC 85/SC 5

Determination of carbon content in uranium dioxide powder and sintered pellets — High-frequency induction furnace combustion — Titrimetric/coulometric/infrared absorption methods

90.93 Standard confirmed

ISO/TC 85/SC 5

Uranium metal, uranium dioxide powder and pellets, and uranyl nitrate solutions — Determination of fluorine content — Fluoride ion selective electrode method

90.93 Standard confirmed

ISO/TC 85/SC 5

Subsampling of uranium hexafluoride in the liquid phase

90.60 Close of review

ISO/TC 85/SC 5

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

40.60 Close of voting

ISO/TC 85/SC 5

Nuclear fuel technology — Sintered (U,Pu)O2 pellets — Guidance for ceramographic preparation for microstructure examination

40.60 Close of voting

ISO/TC 85/SC 5

Nuclear fuel technology — Preparation of spikes for isotope dilution mass spectrometry (IDMS)

40.60 Close of voting

ISO/TC 85/SC 5