Semi-Volatile Mix #1 Back Catalog number: 94309 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59578 pH 11.0 Standard at 25°C Price on request 679544 13C3-Cephacetrile, 10mg Price on request 678661 S-Metolachlor Metabolite CGA 368208, 100 µg/ml, M Price on request