1.1 本规范涵盖盐酸，也称为工业级盐酸。 1.2 本规范包括市售20°Baumé和22°Baumé浓度等级的盐酸的要求。 1.3 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。 1.4 查看当前的安全数据表（SDS），了解有关毒性、急救程序、处理和安全预防措施的详细信息。 1.5 以下安全危险警告仅适用于测试方法部分第节 5. : 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。

1.1 This specification covers muriatic acid, also known as technical grade hydrochloric acid. 1.2 This specification includes requirements for muriatic acid available commercially in 20° Baumé and 22° Baumé concentration grades. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.4 Review the current Safety Data Sheets (SDS) for detailed information concerning toxicity, first aid procedures, handling and safety precautions. 1.5 The following safety hazards caveat pertains only to the test methods portion, Section 5 : 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.