1.1 该方法使用碘（I）的反应 2. )用水（卡尔费休反应）测定聚合物样品中的水分含量。 2. 1.2 本试验方法旨在用于测定大多数塑料中的水分。含有挥发性成分（如残留单体和增塑剂）的塑料能够释放干扰I的成分 2. /水反应。 1.3 该方法适用于测量0.005至100范围内的水分 %. 应调整样本量，以获得准确的水分测量值。 1.4 以国际单位制表示的数值视为标准。 注1: 本标准等同于ISO 15512方法B。 1.5 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 4. 1. 水分会影响某些塑料的加工能力。高含水量会导致表面缺陷（即散裂或起泡）或水解降解。低水分（高温）会导致聚合。 4.2 某些塑料的物理性能受含水量的影响。

1.1 This method uses the reaction of Iodine (I 2 ) with water (Karl Fischer Reaction) to determine the amount of moisture in a polymer sample. 2 1.2 This test method is intended to be used for the determination of moisture in most plastics. Plastics containing volatile components such as residual monomers and plasticizers are capable of releasing components that will interfere with the I 2 /water reaction. 1.3 This method is suitable for measuring moisture over the range of 0.005 to 100 %. Sample size shall be adjusted to obtain an accurate moisture measurement. 1.4 The values stated in SI units are regarded as the standard. Note 1: This standard is equivalent to ISO 15512 Method B. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 Moisture will affect the process ability of some plastics. High moisture content causes surface imperfections (that is, splay or bubbling) or degradation by hydrolysis. Low moisture (with high temperature) causes polymerization. 4.2 The physical properties of some plastics are affected by the moisture content.