ISO 638:2008 纸、纸板和纸浆 干物质含量的测定 烘干法

标准编号：ISO 638:2008

中文名称：纸、纸板和纸浆 干物质含量的测定 烘干法

英文名称：Paper, board and pulps — Determination of dry matter content — Oven-drying method

发布日期：2008-10

标准范围

ISO 638:2008规定了测定纸、纸板和纸浆中干物质的烘箱干燥方法。本程序适用于不含任何可感知数量的材料（在105℃±2℃温度下易挥发的水除外）的纸、纸板和纸浆。例如，当需要同时测定干物质含量时，在实验室进行化学和物理试验的纸浆、纸和纸板样品中使用本程序。本方法不适用于测定纸浆的干物质含量或纸浆批次的可销售质量。

ISO 638:2008 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 at the temperature of 105 °C ± 2 °C. It is used, for example, in the case of pulp, paper and board samples taken for chemical and physical tests in the laboratory, when a concurrent determination of dry matter content is required.This method is not applicable to the determination of the dry matter content of slush pulp or to the determination of the saleable mass of pulp lots.

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