Introduction:
Caustic soda, also known as sodium hydroxide (NaOH), is a versatile chemical compound used in various industries for its alkaline properties. While high-purity caustic soda is essential for many applications, it’s important to recognize that impurities may be present due to the manufacturing process or storage conditions. In this comprehensive article, we’ll explore the different types of caustic soda impurities, their sources, and the maximum allowable ranges for each, ensuring a clear understanding of quality standards in caustic soda production.