Standard Swedish standard · SS-ISO 7097-2:2011

Nuclear fuel technology - Determination of uranium in solutions, uranium hexafluoride and solids - Part 2: Iron (II) reduction/cerium (IV) oxidation titrimetric method (ISO 7097-2:2004, IDT)

Status: Withdrawn

· Replaced by: SS-ISO 7097-2:2022
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Standard Swedish standard · SS-ISO 7097-2:2011

Nuclear fuel technology - Determination of uranium in solutions, uranium hexafluoride and solids - Part 2: Iron (II) reduction/cerium (IV) oxidation titrimetric method (ISO 7097-2:2004, IDT)
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Scope
This part of ISO 7097 describes an analytical method for the determination of uranium in pure product material samples such as U metal, UO2, UO3, uranyl nitrate hexahydrate, uranium hexafluoride and U3O8 from the nuclear fuel cycle. This procedure is sufficiently accurate and precise to be used for nuclear materials accountability. This method does not generate a toxic mixed waste as does the potassium dichromate titration. The method may not be applied to scrap or waste samples until such time as it is qualified by obtaining results statistically equivalent to those obtained by the potassium dichromate method on the same sample types. The method recommends that an aliquot of sample is weighed and that a mass titration is used, in order to obtain improved precision and accuracy. This does not preclude the use of any alternative techniques which could give equivalent performance. As the performance of some steps of the method is critical, the use of some automatic device has some advantages, mainly in the case of routine analysis.

Subjects

Fissile materials (27.120.30)


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Standard Swedish standard · SS-ISO 7097-2:2011

Nuclear fuel technology - Determination of uranium in solutions, uranium hexafluoride and solids - Part 2: Iron (II) reduction/cerium (IV) oxidation titrimetric method (ISO 7097-2:2004, IDT)
Subscribe on standards - Read more Dölj
Price: 1 013 SEK
standard ikon pdf

PDF

Price: 1 013 SEK
standard ikon

Paper

Price: 1 620,80 SEK
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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80647

Edition: 1

Approved: 6/14/2011

No of pages: 28

Replaced by: SS-ISO 7097-2:2022