1.1 本试验方法包括过氧酯型有机过氧化物的测定。 注1: 测试方法中给出了测定有机过氧化物的其他测试方法 1998年 ， 第475页 和 E755 。 1.2 查阅当前的安全数据表（SDS），了解有关毒性、急救程序和安全预防措施的详细信息。 1.3 以国际单位制表示的数值应视为标准。本试验方法中不包括其他测量单位。 1.4 在使用该方法确定试验结果是否符合适用规范时，应根据实践中的舍入方法对结果进行舍入 第29页 。 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。 具体危害说明见第节 9 。 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 过氧酯广泛用作化学中间体、催化剂和引发剂。本试验方法提供了过氧酯的测定程序，以确定过氧酯是否适合其预期用途。

1.1 This test method covers the assay of organic peroxides of the peroxy ester type. Note 1: Other test methods for the assay of organic peroxides are given in Test Methods E298 , E475 , and E755 . 1.2 Review the current safety data sheets (SDS) for detailed information concerning toxicity, first aid procedures, and safety precautions. 1.3 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this test method. 1.4 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29 . 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. Specific hazards statements are given in Section 9 . 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 Peroxy esters are widely used as chemical intermediates, catalysts, and initiators. This test method provides a procedure for assaying peroxy esters to determine if they are suitable for their intended use.