Perfluorooctane sulfonic acid, 100 ng/µl, 1ml Back Catalog number: XA15987120ME Availability: In the manufacturer's stock Price on request - + Recommended 23012 EPA Method 8260B Surrogate Standard Price on request C16715000 Quinoxyfen, 100mg Price on request 50303 Nitrite (NO2-) as N Price on request