ISO 21613:2015 PDF

Name: ISO 21613:2015 — (U, Pu)O2 Powders and sintered pellets — Determination of chlorine and fluorine
SKU: ISO 21613:2015
Price: 25 EUR
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(U, Pu)O2 Powders and sintered pellets — Determination of chlorine and fluorine

Название (английский):

ISO 21613:2015

(U, Pu)O2 Powders and sintered pellets — Determination of chlorine and fluorine

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 9 июля 2015 г.
Издание:: ISO IS 21613 edition 1 version 1
ICS:: 27.120.20

Тип поставки:

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Язык документа:

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Срок поставки:2 раб. дн. (перевод)

Цена:180 €

Описание (английский):

ISO 21613:2015 describes a method for determining chlorine and fluorine in mixed (U,Pu)O2 powders and sintered pellets. It is applicable for the analysis of samples containing 5 µg.g−1 to 50 µg.g−1 of chlorine and 2 µg.g−1 to 50 µg.g−1of fluorine. For UO2 powder and sintered pellets, refer to ISO 22875.

Abstract

Overview

Key Topics

Principle: Release of halogens by pyrohydrolysis (850 °C–1 000 °C) in a tubular furnace with steam or moist oxygen; halogenated acids are trapped in an alkaline aqueous receiver.
Measurement techniques:
- Ion-selective electrodes (chloride and fluoride electrodes with a suitable reference electrode) - calibrated using prepared reference solutions.
- Ion-exchange (ion) chromatography as an alternative analytical method.
Analytical range and limits: Designed for low µg·g−1 levels of Cl and F as stated in the scope.
Reagents and calibration: Use of high-purity reagents and demineralised water (ISO 3696); prepared standard reference solutions (NaCl, NaF) and sodium hydroxide buffer solutions for absorption and calibration.
Equipment: Tubular furnace with temperature control, steam generator, inert/compatible reaction tubes and condensers (Inconel®, platinum, quartz), combustion boats, volumetric glassware, millivolt meter, ion-selective electrodes, or chromatography system.
Quality assurance: Blank tests, calibration curves, validation limits, and uncertainty assessment are included in the procedure to ensure reliable results.

Applications

Nuclear fuel manufacturing: Routine quality control of MOX (mixed oxide) powders and pellets to monitor halogen contamination that can affect sintering, fuel behavior and cladding corrosion.
Fuel cycle laboratories: Analytical verification of feedstock and product specifications during fabrication and reprocessing.
Regulatory and safety testing: Compliance with specified impurity limits in nuclear materials.
Research and development: Materials characterization in studies of sintering behavior, impurity effects, and process optimization.

Who Should Use This Standard

Analytical chemists and laboratory technicians in nuclear fuel fabrication facilities
Quality assurance and R&D teams in nuclear industry
Accreditation bodies and regulatory laboratories performing trace halogen analysis in nuclear materials

Related Standards

ISO 22875 - Determination of chlorine and fluorine in UO2 powder and sintered pellets (for pure uranium dioxide)
ISO 9892 - Fluoride determination methods (ion-selective electrode)
ISO 3696 - Water for analytical laboratory use (specification and test methods)

Keywords: ISO 21613:2015, (U,Pu)O2 powders, sintered pellets, chlorine determination, fluorine determination, pyrohydrolysis, ion-selective electrode, ion chromatography, nuclear fuel quality control.

Технические детали

Технический комитет: ISO/TC 85/SC 5 - Nuclear installations, processes and technologies
SKU: ISO 21613:2015

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Каталог

BS ISO 22875:2017

Действующий

Nuclear energy. Determination of chlorine and fluorine in uranium dioxide powder and sintered pellets.

22 · PDF

50 €

SIST EN ISO 3696:1998

Действующий

Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

Overview EN ISO 3696:1995 (ISO 3696:1987) – "Water for analytical laboratory use – Specification and test methods" is a CEN-adopted international standard that defines quality grades, specification l…

7 · PDF

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ISO 9892:1992

Действующий

Uranium metal, uranium dioxide powder and pellets, and uranyl nitrate solutions — Determination of fluorine c…

Overview ISO 9892:1992 defines an analytical standard method for determining the fluorine content in uranium metal, uranium dioxide powder and pellets, and uranyl nitrate solutions. Utilizing the flu…

5 · PDF

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