Foreword ISO Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 General Rules 5 Sampling 6 Composition and number of laboratory samples and test portions for analysis 7 Precision of the determination of a property 7.1 Precision of sampling 7.2 Precision of the determination of a property Annex A (Normative) Large sample splitting Annex B (Informative) Class of coefficient of variation of a property of unshaped refractory |