1.1 这些试验方法涵盖了对合成橡胶中可提取物的化学分析，适用于通常称为SBR的固体未结合苯乙烯-丁二烯共聚物。使用其中一些测试方法也可以对其他合成橡胶进行分析。测试方法及其涵盖的章节如下: 章节 可提取物总量 4– 11 有机酸 12– 19 肥皂 20– 26 油 27– 42 注1: 这些试验方法中使用的命名法符合规程 D1418 。 1.2 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。 1.3 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 本程序旨在测定橡胶中可提取物质的总量。它将产生松香和脂肪酸、肥皂、填充油、消泡焦油、抗氧化剂和其他在所用溶剂中可提取的未结合的有机成分的总量。橡胶烃可以通过从100中减去总提取物、总灰分、挥发性物质和炭黑含量（对于炭黑母料）的总和来估计。

1.1 These test methods cover the chemical analysis of extractables from synthetic rubbers and are intended for general use on solid uncompounded styrene-butadiene copolymers commonly referred to as SBR. Analysis of other synthetic rubbers is also possible with some of these test methods. The test methods and the sections in which they are covered are as follows: Sections Total Extractables 4 – 11 Organic Acid 12 – 19 Soap 20 – 26 Oil 27 – 42 Note 1: The nomenclature used in these test methods is in accordance with Practice D1418 . 1.2 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. 1.3 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 This procedure is intended to determine the total extractable materials in rubber. It will give the combined amount of rosin and fatty acids, soaps, extender oils, defoamer tars, antioxidants, and other uncombined organic constituents that are extractable in the solvent used. The rubber hydrocarbon can be estimated by subtracting the sum of the total extract, the total ash, the volatile matter, and carbon black content (for carbon black masterbatch) from 100.