This International Standard specifies an oven-drying method for the determination of the dry matter in paper, board and pulp.The procedure is applicable to paper, board and pulp which does not contain any appreciable quantities of materials other than water that are volatile
DS/EN ISO 638:2008 history
2021DS/EN ISO 638-1:2021 Paper, board, pulps and cellulosic nanomaterials – Determination of dry matter content by oven-drying method – Part 1: Materials in solid form (ISO 638-1:2021)
2008DS/EN ISO 638:2008 Paper, board and pulps - Determination of dry matter content - Oven-drying method