1.1 这些试验方法包括盐酸的分析。 1.2 以国际单位制表示的数值应视为标准值。括号中给出的值仅供参考。 1.3 分析程序按以下顺序出现: 小节 总酸度 8. 到 16 波美引力 17 到 26 硫酸盐灰烬 27 到 34 铁 35 到 44 颜色 45 到 52 总硫 53 到 59 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）。 本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 具体危害说明见第节 5. 和 30.1 , 39.7 和 48.4 . ====意义和用途====== 3.1 这些试验方法规定了各种等级盐酸的分类和各种杂质的测定。酸强度和杂质水平是盐酸许多用途中的重要因素。

1.1 These test methods cover the analysis of hydrochloric acid. 1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.3 The analytical procedures appear in the following order: Sections Total Acidity 8 to 16 Baumé Gravity 17 to 26 Sulfated Ash 27 to 34 Iron 35 to 44 Color 45 to 52 Total Sulfur 53 to 59 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards statements are given in Section 5 and 30.1 , 39.7 , and 48.4 . ====== Significance And Use ====== 3.1 These test methods provide for the classification of various grades of hydrochloric acid and for the determination of various impurities. Acid strength and impurity levels are important factors in many uses of hydrochloric acid.