1.1 本试验方法适用于石油产品沸程分布的测定。本试验方法适用于初始沸点大于100的石油馏分 °C，最终沸点低于615 通过该试验方法测量的大气压力下的°C。 1.2 该试验方法不适用于分析含有低分子量成分的石油馏分（例如，石脑油、重整油、汽油、原油）。含有不均匀成分（例如，醇类、醚类、酸类或酯类）或残留物的材料不应通过该试验方法进行分析。参见测试方法 D7096 ， D2887 ， D6352 或 D7169 。 1.3 本试验方法采用模拟蒸馏法的原理。 1.4 以国际单位制表示的数值应视为标准。本标准不包括其他计量单位。 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）。本标准的使用者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》中确立的国际公认的标准化原则制定的。 ====意义和用途====== 5.1 轻质和中型石油馏分的沸程分布可以深入了解与石油精炼过程相关的原料和产品的组成。这种沸程的气相色谱测定可以用来取代传统的蒸馏方法来控制精炼操作。 经相关方共同同意，该测试方法可用于产品规格测试。 5.2 本试验方法扩大了气相色谱法测定沸程的范围，包括超出试验方法范围的轻质和中型石油馏分 D2887 （538 °C）及以下试验方法 D6352 （700 °C）。 5.3 通过该试验方法获得的沸程分布理论上等同于通过真实沸点（TBP）蒸馏获得的沸度分布（见试验方法 D2892 )。它们不等同于低效蒸馏的结果，如通过试验方法获得的结果 D86 或 D1160 。

1.1 This test method covers the determination of the boiling range distribution of petroleum products. This test method is applicable to petroleum distillates having an initial boiling point greater than 100 °C and a final boiling point less than 615 °C at atmospheric pressure as measured by this test method. 1.2 The test method is not applicable for analysis of petroleum distillates containing low molecular weight components (for example, naphthas, reformates, gasolines, crude oils). Materials containing heterogeneous components (for example, alcohols, ethers, acids or esters) or residue are not to be analyzed by this test method. See Test Methods D7096 , D2887 , D6352 , or D7169 . 1.3 This test method uses the principles of simulated distillation methodology. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 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 ====== 5.1 The boiling range distribution of light and medium petroleum distillate fractions provides an insight into the composition of feed stocks and products related to petroleum refining process, This gas chromatographic determination of boiling range can be used to replace conventional distillation methods for control of refining operations. This test method can be used for product specification testing with the mutual agreement of interested parties. 5.2 This test method extends the scope of boiling range determination by gas chromatography to include light and medium petroleum distillate fractions beyond the scope of Test Method D2887 (538 °C) and below Test Method D6352 (700 °C). 5.3 Boiling range distributions obtained by this test method are theoretically equivalent to those obtained by true boiling point (TBP) distillation (see Test Method D2892 ). They are not equivalent to results from low efficiency distillation such as those obtained with Test Method D86 or D1160 .