WS Nitrosamines Back Catalog number: 38339 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72101 Ascorbic acid Price on request 677609 2H,2H,3H,3H-Perfluorooctanoic acid, 10mg Price on request 10628.12-50-NN 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request