Accuracy (trueness and precision) of measurement methods and results - Part 3: Intermediate measures of the precision of a standard measurement method— 36 стр.
Accuracy (trueness and precision) of measurement methods and results. Part 4. Basic methods for the determination of the trueness of a standard measurement method— 32 стр.
Accuracy (trueness and precision) of measurement methods and results. Part 2. Basic method for the determination of repeatability and reproducibility of a standard measurement method -- Technical Corrigendum 1— 2 стр.
Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008); German version EN ISO 21068-1:2008— 18 стр.
Chemical analysis of refractory material glass and glazes - Determination of Fe<(hoch)2+> and Fe<(hoch)3+> by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011); German version EN ISO 14719:2011— 18 стр.
Chemical analysis of refractory material glass and glazes. Determination of Fe2+ and Fe3+ by the spectral photometric method with 1,10-phenanthroline— 20 стр.