2353 NTERNATIONAL STANDARD TSO) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION -MEKYHAPOAHA OPFAHW3AM TIO CTAHAAPTM3ALWM-ORGANISATION INTERNATIONALE DE NORMALISATION Magnesium and its alloys - Determination of manganese in magnesium alloys containing zirconium, rare earths, thorium and silver - Periodate photometric method First edition - 1972-08-01 2353-1972 (E) UDC 669.721 : 546.711 Ref.No. 1SO 2353-1972 (E) Descriptors :magnesium alloys,rare earth containing alloys,silver containingalloys,thorium containingalloys,zirconium containing alloys, chemicalanalysis,determinationofcontent,manganese,photometry OS1 Price based on 3 pages Not for Resale FOREWORD Iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (ISO Member Bodies). The work of developing International Standards is carried out through Iso Technicat Committees. 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 adopted by the Technical Committees are circulated to the Member Bodies for approval before their acceptance as International StandardsbytheISOCouncil. Committee ISO/TC79,Lightmetalsandtheiralloys. 1t was approved in December 1971 by the Member Bodies of the following countries : Austria Hungary South Africa, Rep. of Belgium India Spain Canada Ireland Sweden Czechoslovakia Israel Switzerland Egypt, Arab Rep. of Italy Thailand Finland Netherlands UnitedKingdom France Norway U.S.A. Germany Romania U.S.S.R. No Member Body expressed disapproval of the document. @ International Organization for Standardization, 1972 . Printed in Switzerland Not for Resale