(ISO 5022 International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION·MEKAYHAPOAHAA OPTAHW3AUMA NO CTAHAAPTW3AUWWORGANISATION INTERNATIONALEDE NORMALISATION ANsI internaf Doc Sect Shaped refractory products - Sampling and acceptance testing Produits refractaires faconnés -- Echantillonnage et controle de reéception First edition - 1979-12-01 NOV 3 0 1979 UDC 666.76-43 : 620.113 Ref. No. ISO 5022-1979 (E) ISO 5022-1979 (E) Descriptors : refractory materials, sampling, shaped refractories, acceptance inspection, tests. Price based on 26 pages Copyright InternationalOrganization for Standardization Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (Iso member bodies). The work of developing inter- national Standards is carried out through Iso technical 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 Standards by the Iso Council. International Standard ISO 5022 was developed by Technical Committee ISO/TC 33, Refractories, and was circulated to the member bodies in August 1977. It has been approved by the member bodies of the following countries : Austria India Spain Brazil Iran Sweden Czechostovakia Italy United Kingdom Egypt, Arab Rep. of Mexico USA France Portugal USSR Germany, F.R. Romania Yugoslavia Hungary South Africa, Rep. of The member bodies of the following countries expressed disapproval of the document on technical grounds : Canada Netherlands @ International Organization 1,1979 forStandar Printed in Switzerland ii Copyright International Organization for Standardization Contents Page 1 Scopeandfield ofapplication 2 Statistical terminology and symbols. 3 General considerations and preliminary conditions for sampling. 2 4 Sampling for non-destructive tests. 6 5 Sampling for destructive tests. 6 Report on sampling. : 20 Annexes A Determination of the arithmetic mean and standard deviation of a production. 21 22 BComparison of the means of two samples. 23 Equations used for calculating the values given in the tables. C D Bibliography . 25 i Copyright International Organization for Standardization efrom IHS