Method 525.2 Solution A Back Catalog number: 97957 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72230 Penicillin G, 1000µg/ml in MeOH, 1ml Price on request 93877 Agent Breakdown Sub-Mix #1 Price on request 675481 Cyphenothrin, 10.0 µg/ml, Cyclohexane, 10ml Price on request