EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCN-MXC Native PCN Solution/Mixture, 1.2ml, nonane Price on request F-7144-1G 2-Methoxy-1-propanol Price on request S-4214-40-PEX5 ISO 9377-2 Stearyl Stearate Solution for Comparison Unit: 1mL for direct GC-comparison Stearyl stearate test solution, 2mg/mL (S-4134) 0.5mL Extraction agent (pentane) 24.5mL Price on request