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See Chinese contents: GB/T 43085-2023 GB/T 43085-2023: Plastics - Polymer dispersions - Determination of the content of free formaldehyde
This document describes a spectrophotometric method (Method A) and a high-performance liquid chromatographic method (Method B) for the determination of free formaldehyde (HCHO) content in polymer dispersions. This document applies to polymer dispersions such as acrylic, acrylonitrile butadiene, carboxylated styrene butadiene and vinyl acetate.
