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1、lNTEl!NATlONALSTANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEWIYHAPOnHAA OPrAHHBAL Price based on 1 page Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 09:37:40 MDTNo
2、 reproduction or networking permitted without license from IHS -,-,- FOREWORD IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 member bodies). The work of developing lnternationat Standards is carried out through IS0 technical c
3、ommittees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standards adopt
4、ed by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 3925 was developed by Technical Committee ISO/TC 85, Nuclear energy, and was circulated to the member bodies in August 197
5、5. It has been approved by the member bodies of the following countries : Australia Hungary Austria Italy Belgium Mexico Brazil Netherlands Czechoslovakia New Zealand Egypt, Arab Rep. of Poland Finland Romania France South Africa, Rep. of Germany Spain Sweden Switzerland Thailand Turkey United Kingd
6、om U.S.A. Yugoslavia No member body expressed disapproval of thedocument. Q International Organization for Standardization, 1978 l Printed in Switzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not
7、 for Resale, 04/25/2007 09:37:40 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IS0 3925-1978 (E) Unsealed radioactive substances - Identification and certification 1 SCOPE AND FIELD OF APPLlCATlON This International Standard establishes the requirem
8、ents for the identification and certification of unsealed radio- active substances issued commercialfy by suppliers and which are intended for further handling or treatment, either physical or chemical. Requirements for radiopharmaceuticals and standard sources are not covered. 2 REFERENCES IS0 361,
9、 Basic ionizing radiation symbol. IS 0 9 2 1, Nuclear energy glossary. 3 DEFINITIONS 3.1 unsealed radioactive substance : A radioactive sub- stance placed-in an immediate container in a ,way enabling its further physical or chemical treatment. 3.2 radionuclidic purity . Under study 3.3 radiochemical
10、 purity : Under study 3.4 specific activity : see IS0 921. 3.5 activity concentration : see IS0 921, 4 IDENTIFICATION The immediate container of the unsealed radioactive sub- stance shall be durably and legibly marked with the follow- ing : a) manufacturer s name or symbol; b) chemical symbol, mass
11、number of the radionuclide, and, if physically possible, the name of the chemical preparation; c) radiation symbol in accordance with IS0 361, and, if physically possible, the word “RADIOACTLVE”; d) cross-reference to the certificate. 5 CERTIFICATE The manufacturer shall provide a certificate which
12、shall bear the following information as appropriate : a) manufacturer s name and address; b) name of the preparation and chemical form, mass number and chemical symbol of the radionuclide, and, when applicable, a statement indicating the position of the radionuclide in the molecule of the compound;
13、c) cross-reference to label on immediate container; d) physical form of the preparation and solvent if present; e) mass or volume of the preparation; f) activity concentration and/or specific activity at stated time and date; when there is a mixture of radio- nuclides, the activity of each radionucl
14、ide at a specified time and date shall be stated; g) activity at stated time and date; h) radionuclidic purity; j) radiochemical purity; k) chemical purity or impurities; I) acidity, alkalinity or pH; m) date of production and expiry date; n) nature and quantity of any added inactive material; p) sp
15、ecial conditions of storage; q) nature of immediate container. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 09:37:40 MDTNo reproduction or networking permitted without license from IHS -,-,-