EPA Method 353.2 Nitrate + Nitrite Back Catalog number: 53120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-1010-100AN5 Ranitidine-HCl, 100µg/ml in Acetonitrile, 5ml 1 190,00 Kč S-4157-5ML Performance Control Mixture 4 Analytes each Wt.% as listed; units: 1x1mL, 5x1mL neat Name Wt. % Name Wt. % n-Hexadecane 75.0 Tetralin 3.0 Naphthalene 2.0 Price on request 3448.16-100-CY Methoxychlor Price on request