EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C20990600 6-Hydroxychrysene, 10mg Price on request S-4415-20-100PE ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request 8581.6-50-ME Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6 Price on request