本标准旨在提供氢氧化钠的最低要求，包括物理、化学、取样、测试、包装和运输要求。本标准可在购买和接收氢氧化钠的文件中引用，并可作为测试氢氧化钠样品物理和化学性质的指南。本标准的规定仅适用于饮用水、废水或再生水处理中使用的氢氧化钠。

The purpose of this standard is to provide the minimum requirements for sodium hydroxide, including physical, chemical, sampling, testing, packaging, and shipping requirements. This standard can be referenced in documents for purchasing and receiving sodium hydroxide and can be used as a guide for testing the physical and chemical properties of sodium hydroxide samples. The stipulations of this standard apply when this document has been referenced and then only to sodium hydroxide used in the treatment of potable water, wastewater, or reclaimed water.