1.1 这些试验方法包括测定制备的固体废物衍生燃料（RDF）分析样品中的总凯氏氮。该程序测量游离氨或有机含氮化合物（如氨基酸和蛋白质）转化形成的氨。然而，该程序可能无法将某些废物中的含氮化合物转化为氨。可能无法测量的此类化合物的示例为硝基化合物、腙、毒素、硝酸盐、氨基脲、吡啶和一些难降解叔胺。 1.2 描述了最终测定氨的两种替代方法，凯氏喷补试验方法和酸滴定试验方法。 1.3 这些试验方法的分析数据应作为要求进行最终分析的最终分析的一部分进行报告。 1.4 这些试验方法可适用于任何可以制备实验室分析样品的废料。 1.5 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.6 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。 有关具体预防说明，请参阅 8.4.1 和截面 9 . 1.7 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====== 5.1 RDF的生产商和用户可以使用标准样品作为测定分析样品中氮重量百分比的方法。 5.2 氮是最终分析的一部分，可用于计算燃烧参数。

1.1 These test methods cover the determination of total Kjeldahl nitrogen in prepared analysis samples of solid forms of refuse-derived fuel (RDF). The procedures measure free ammonia or ammonia formed from the conversion of organic nitrogenous compounds such as amino acids and proteins. However, the procedures may not convert the nitrogenous compounds of some wastes to ammonia. Examples of such compounds that may not be measured are nitro compounds, hydrozones, oxines, nitrates, semicarbazones, pyridines, and some refractory tertiary amines. 1.2 Two alternatives are described for the final determination of the ammonia, the Kjeldahl-Gunning Test Method and the Acid-Titration Test Method. 1.3 The analytical data from these test methods are to be reported as part of the ultimate analysis where ultimate analysis is requested. 1.4 These test methods may be applicable to any waste material from which a laboratory analysis sample can be prepared. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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. For specific precautionary statements, see 8.4.1 and Section 9 . 1.7 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 standard sample is available to producers and users of RDF as a method for determining the weight percent of nitrogen in the analysis samples. 5.2 Nitrogen is part of the ultimate analysis and can be used for calculation of combustion parameters.