CID A-A-59961涵盖了改性苏打水（倍半碳酸钠型），用于各种洗涤和精练过程，无论是否使用肥皂，其中需要温和碱性材料。

CID A-A-59961 covers modified soda (sesquicarbonate type) for use in various washing cleaning and scouring processes, with or without soap, where a mildly alkaline material is desired.