1.1 这些测试方法涵盖了α-烯烃磺酸盐的化学分析。分析方法按以下顺序显示: 章节 蒸馏法测定水分 4– 8 硫酸钠 9– 14 中性油 15– 19 氯化物以氯化钠（NaCl）计算 20– 24 碱度 25– 29 pH值 30和 31 颜色测定 32– 37 亚甲蓝滴定法测定活性物质含量 38– 47 1.2 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。 1.3 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。具体注意事项见 36.1 试剂和材料可获得材料安全性数据表。使用前检查它们是否有危险。 1.4 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====== 33.1 该方法适合作为α-烯烃磺酸盐颜色测量的质量控制试验。

1.1 These test methods cover the chemical analysis of alpha olefin sulfonates. The analytical procedures appear in the following order: Sections Moisture by the Distillation Method 4 – 8 Sodium Sulfate 9 – 14 Neutral Oil 15 – 19 Chlorides Calculated as Sodium Chloride (NaCl) 20 – 24 Alkalinity 25 – 29 pH 30 and 31 Determination of Color 32 – 37 Determination of Active Content by Methylene Blue Titration 38 – 47 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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 precaution statement see 36.1 . Material safety data sheets are available for reagents and materials. Review them for hazards prior to usage. 1.4 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 ====== 33.1 This method is suitable as a quality control test for the measurement of color in alpha olefin sulfonates.