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.
Basic Data
Standard ID
GB/T 43085-2023 (GB/T43085-2023)
Description (Translated English)
Plastics - Polymer dispersions - Determination of the content of free formaldehyde
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
G31
Classification of International Standard
83.080.01
Word Count Estimation
18,144
Date of Issue
2023-09-07
Date of Implementation
2024-04-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
