What to read after GB/T 13173-2021 Translated English of Chinese Standard. (GBT13173-2021)?

This standard describes the test methods for indexes of surface active agents and detergents, such as sample reduction, particle size, total phosphorus oxide content, total active substance content, non-ionic surface active agent content, various phosphate content, toluenesulfonate content, foaming power, chelating agent (EDTA) content, apparent density, whiteness, moisture and volatile matter content, active oxygen content, 4A zeolite content, alkylphenol ethoxylates content, effective chlorine content, free alkali content, dry sodium soap content, stability at high and low temperature, odour, colour and appearance, etc.