GB/T 13173-2021

This standard specifies the test methods for determining the physical and chemical properties of surface active agents and detergents, including parameters such as active matter content, alkalinity, and chelating power. It is applied in the chemical industry for quality control and product testing of household, industrial, and institutional cleaning products, such as laundry detergents, dishwashing liquids, and hard surface cleaners. The standard ensures consistency and reliability in evaluating detergent performance during manufacturing, regulatory compliance, and research and development.