DIN 54387-4 - DRAFT

DIN 54387-4 - DRAFT Draft Document - Testing of ceramic raw materials and ceramic materials - Chemical analysis of boron carbide, boron nitride, metal borides and elemental boron - Part 4: Determination of metallic main components and trace impurities

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2023