Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4214-40-PEX10 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 A575415 Aloin A, 100mg Price on request 95146 Pesticide Mix #2 Price on request