DIN 54387-2 Testing of ceramic raw and basic materials - Chemical analysis of boron carbide, boron nitride, metal borides and elemental boron - Part 2: Determination of total boron, soluble boron compounds, HNO<(Index)3>-soluble boron in B<(Index)4>C, H<(Index)2>O<(Index)2> soluble and insoluble fractions in am

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2016