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ISO 9463:2019

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

Jan 30, 2019

General information

90.93     Nov 14, 2024

ISO

ISO/TC 85/SC 5

International Standard

27.120.30  

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Scope

This document specifies an analytical method by spectrophotometry, for determining the plutonium concentration in nitric acid solutions, with spectrophotometer implemented in hot cell and glove box allowing the analysis of high activity solutions. Commonly, the method is applicable, without interference, even in the presence of numerous cations, for a plutonium concentration higher than 0,5 mg·l−1 in the original sample with a standard uncertainty, with coverage factor k = 1, less than 5 %.
The method is intended for process controls at the different steps of the process in a nuclear fuel reprocessing plant or in other nuclear facilities.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9463:2009

NOW

PUBLISHED
ISO 9463:2019
90.93 Standard confirmed
Nov 14, 2024