ASTM D 5910 - 05 Standard Test Method for Determination of Free Formaldehyde in Emulsion Polymers by Liquid Chromatography

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2005. Published January 2006. Originally approved in 1996. Last previous edition approved in 1996 as D 5910 – 96 which was withdrawn December 2004 and reinstated in October 2005. 6 p. This test method is used for the determination of free formaldehyde (HCHO) in emulsion polymers without upsetting existing formaldehyde equilibria. The procedure has been evaluated using acrylic, acrylonitrile-butadiene, carboxylated styrene-butadiene and polyvinyl acetate emulsion polymers. This test method may also be applicable for emulsion polymers of other compositions. The established working range of this test method is from 0.05 to 15 ppm formaldehyde. Emulsion polymers must be diluted to meet the working range.