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Nuclear criticality safety — Use of criticality accident alarm systems for operations

60.60 Standard published

ISO/TC 85/SC 5

Nuclear fuel technology — Determination of milligram amounts of plutonium in nitric acid solutions — Potentiometric titration with potassium dichromate after oxidation by Ce(IV) and reduction by Fe(II)

90.60 Close of review

ISO/TC 85/SC 5

Nuclear fuel technology — Determination of the isotopic and elemental uranium and plutonium concentrations of nuclear materials in nitric acid solutions by thermal-ionization mass spectrometry

90.20 Standard under periodical review

ISO/TC 85/SC 5

Nuclear fuel technology — Determination of plutonium content in plutonium dioxide of nuclear grade quality — Gravimetric method

90.93 Standard confirmed

ISO/TC 85/SC 5

Nuclear fuel technology — Determination of plutonium in pure plutonium nitrate solutions — Gravimetric method

90.20 Standard under periodical review

ISO/TC 85/SC 5

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

Activity measurements of solid materials considered for recycling, re-use or disposal as non-radioactive waste

20.00 New project registered in TC/SC work programme

ISO/TC 85/SC 5

Principles of determination of groundwater remediation targets for in-situ leaching uranium mining

20.00 New project registered in TC/SC work programme

ISO/TC 85/SC 5

Test of buffer material under coupled thermo-hydro-mechanical conditions for geological disposal of high-level radioactive waste — Part 1: Swelling pressure test

20.00 New project registered in TC/SC work programme

ISO/TC 85/SC 5