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See Chinese contents: GB/T 19941.2-2019 GB/T 19941.2-2019: Leather and fur -- Determination of formaldehyde content -- Part 2: Colorimetric method
This Part of GB/T 19941 specifies the method for determination of free and hydrolyzed formaldehyde content in leather and fur by colorimetric method. This Part is applicable to determination of formaldehyde content in various leathers, furs and their products.
