Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-12478-S 1,2,4,7,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 3145.18-K-CF 12-Hydroxystearic acid,1000 µg/mL,chloroform,1mL, Price on request 66032 PCB No. 32, 100µg/ml in Isooctane, 1ml Price on request