1.1 这些试验方法涵盖了化学范围在以下限度内的铜合金的化学分析: 2 元素 组成，% 铝 最大12.0 锑 最大1.0 砷 最大1.0 镉 1.5最大值 钴 最大1.0 铜 40.0分钟 铁 最大6.0 铅 27.0最大 锰 最大6.0 镍 最大50.0 磷 最大1.0 硅 最大5.0 硫磺 最大0.1 锡 最大20.0 锌 最大50.0 1.2 试验方法见以下章节: 章节 氨基甲酸酯萃取铝-（乙基- 烯二腈）四乙酸二钠盐（EDTA）滴定试验方法[2%至12%] 71– 78 电沉积重量法和草酰二酰肼分光光度法联合测试方法测定铜[50%，最小值] 10– 18 1,10-菲咯啉分光光度法测定铁[0.003%至1.25%] 19– 28 原子吸收光谱法测定铅[0.002%至15%] 90– 100 铅（乙二腈基）四乙酸二钠盐（EDTA）滴定试验方法[2.0%至30.0%] 29– 36 二甲基乙二肟萃取分光光度试验方法测定镍[0.03%至5.0%] 37– 46 二甲基乙二肟重量法测定镍[4%至50%] 55– 62 原子吸收光谱法测定含银铜中的银[0.01%~0.12%] 101– 112 碘量滴定试验方法测定锡[0.5%至20%] 63– 70 苯基荧光酮分光光度法测定锡[0.01%-1.0%] 113– 123 原子吸收光谱法测定锌[0.02%至2%] 79– 89 锌（乙二腈基）四乙酸二钠盐（EDTA）滴定试验方法[2%至40%] 47– 54 1.3 以SI单位表示的值将被视为标准值。本标准不包括其他计量单位。 1.4 本标准并不旨在解决与其使用相关的所有安全性问题（如果有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践并确定法规限制的适用性。 1.5 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》中确立的国际公认的标准化原则制定的。 ======意义和用途====== 4.1 这些用于金属和合金化学分析的测试方法主要是作为测试此类材料是否符合成分规范的参考方法。假设所有使用这些方法的人都是训练有素的分析员，能够熟练和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 These test methods cover the chemical analysis of copper alloys having chemical ranges within the following limits: 2 Element Composition, % Aluminum 12.0 max Antimony 1.0 max Arsenic 1.0 max Cadmium 1.5 max Cobalt 1.0 max Copper 40.0 min Iron 6.0 max Lead 27.0 max Manganese 6.0 max Nickel 50.0 max Phosphorus 1.0 max Silicon 5.0 max Sulfur 0.1 max Tin 20.0 max Zinc 50.0 max 1.2 The test methods appear in the following sections: Sections Aluminum by the Carbamate Extraction-(Ethyl- enedinitrilo) Tetraacetic Acid Disodium Salt (EDTA) Titrimetric Test Method [2 % to 12 %] 71 – 78 Copper by the Combined Electrodeposition Gravimetric and Oxalyldihydrazide Spectrophotometric Test Method [50 %, minimum] 10 – 18 Iron by the 1,10-Phenanthroline Spectrophotometric Test Method [0.003 % to 1.25 %] 19 – 28 Lead by Atomic Absorption Spectrometry [0.002 % to 15 %] 90 – 100 Lead by the (Ethylenedinitrilo) Tetraacetic Acid, Disodium Salt (EDTA) Titrimetric Test Method [2.0 % to 30.0 %] 29 – 36 Nickel by the Dimethylglyoxime Extraction Spectrophotometric Test Method [0.03 % to 5.0 %] 37 – 46 Nickel by the Dimethylglyoxime Gravimetric Test Method [4 % to 50 %] 55 – 62 Silver in Silver-Bearing Copper by Atomic Absorption Spectrometry [0.01 % to 0.12 %] 101 – 112 Tin by the Iodometric Titration Test Method [0.5 % to 20 %] 63 – 70 Tin by the Phenylfluorone Spectrophotometric Test Method [0.01 % to 1.0 %] 113 – 123 Zinc by Atomic Absorption Spectrometry [0.02 % to 2 %] 79 – 89 Zinc by the (Ethylenedinitrilo) Tetraacetic Acid Disodium Salt (EDTA) Titrimetric Test Method [2 % to 40 %] 47 – 54 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 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. 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 ====== 4.1 These test methods for the chemical analysis of metals and alloys are primarily intended as referee methods to test such materials for compliance with composition specifications. It is assumed that all who use these methods 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.