GB/T 23973-2018

This standard specifies the method for determining the formaldehyde content in dye products, applicable to quality control and safety testing in the chemical and textile industries. It is used to ensure compliance with regulatory limits for formaldehyde in dyes, particularly for products intended for textiles, leather, and consumer goods where residual formaldehyde poses health risks. The standard applies during manufacturing, import/export inspection, and product certification to verify that dye products meet national safety requirements.