Anions Mix #2 Back Catalog number: 59474 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2835.7-50-ME 7H-Perfluoroheptanoic acid, 50µg/ml in MeOH, 1ml Price on request 673753 Butralin, 100 µg/ml, Ethyl acetate, 5ml Price on request 79122 n-Nonane Price on request