1.1 本试验方法包括化学成分在以下范围内的锌合金的化学分析: 要素 成分范围，% 铝 3.0–8.0 锑 最大0.002 镉 最大0.025 铈 0.03–0.10 铜 最大0.10 铁 最大0.10 镧 0.03–0.10 领导 最大0.026 镁 最大0.05 硅 最大0.015 锡 最大0.002 钛 最大0.02 锆 最大0.02 1.2 单位- 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。 1.3 包括以下成分范围内元素的程序: 要素 成分范围，% 铝 3.0–8.0 镉 0.0016–0.025 铈 0.005–0.10 铁 0.0015–0.10 镧 0.009–0.10 领导 0.002–0.026 1.4 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。 具体的安全隐患说明见第节 8. , 11.2 和 13.1 . 1.5 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 这种用于金属和合金化学分析的测试方法主要用于测试这些材料是否符合成分规范。假设所有使用这种测试方法的人都是经过培训的分析师，能够熟练、安全地执行常见的实验室程序。预计工作将在设备齐全的实验室中进行。

1.1 This test method covers the chemical analysis of zinc alloys having chemical compositions within the following limits: Element Composition Range, % Aluminum 3.0–8.0 Antimony 0.002 max Cadmium 0.025 max Cerium 0.03–0.10 Copper 0.10 max Iron 0.10 max Lanthanum 0.03–0.10 Lead 0.026 max Magnesium 0.05 max Silicon 0.015 max Tin 0.002 max Titanium 0.02 max Zirconium 0.02 max 1.2 Units— The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 Included are procedures for elements in the following composition ranges: Element Composition Range, % Aluminum 3.0–8.0 Cadmium 0.0016–0.025 Cerium 0.005–0.10 Iron 0.0015–0.10 Lanthanum 0.009–0.10 Lead 0.002–0.026 1.4 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 safety hazards statements are given in Section 8 , 11.2 , and 13.1 . 1.5 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 test method for the chemical analysis of metals and alloys is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all those who use this test method will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.