perfluorononanoic acid pfna, perfluorononanoate surfactant molecule. 3d rendering. atoms are represented as spheres with.

perfluorononanoic acid pfna perfluorononanoate surfactant molecule 3d rendering atoms are represented as spheres perfluorinated fluorosurfactant contaminant pollutant pollution environment bioaccumulation toxic blood plasma serum persistent organic fluorine atomic model molecular compound composition chemical chemistry science scientific conventional color coding hydrogen white carbon grey oxygen red light green