GB/T 2912.2 - 2009 Focus on the determination of formaldehyde released by Spinning & weaving products. This standard uses the vapor absorption method to explain in detail how to prepare Spinning & weaving product samples, and standardize the construction and operation steps of steam absorption devices. Clarify the selection and concentration requirements of reagents, and strictly control the test environment such as temperature and Humidity. Through this standard, the amount of formaldehyde released by Spinning & weaving products can be accurately determined, providing a basis for consumers to screen safe Spinning & weaving products, helping the Spinning & weaving industry to control the environmental protection mass of products and protect the health of users.