本欧洲标准适用于用于治疗人类消费用水的氢氧化钠。它描述了特性，并规定了氢氧化钠的要求和相应的测试方法。它提供了关于其在水处理中的用途的信息。它还决定了与安全处理和使用有关的规则（见附件C）

This European Standard is applicable to sodium hydroxide used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for sodium hydroxide. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex C).