1.1 本规范涵盖以下ASTM试验方法中使用的蒸馏设备: D86 , D850 和（仅适用于批准的替代要求）试验方法 D1078号 . 1.2 本规范中包含的一些设备项目是所有方法的通用项目；其他项目不适用。因此，必须选择本规范中与需求相关的部分。 1.3 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.4 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。

1.1 This specification covers distillation equipment used in the following ASTM test methods: D86 , D850 , and (for approved alternative requirements only) Test Method D1078 . 1.2 Some items of equipment included in this specification are common to all methods; other items are not. Therefore, those portions of this specification pertinent to the need must be selected. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 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.