Custom Metals Standard Back Catalog number: 50684 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2912.20-100-MX Sodium p-n-tetradecylbenzenesulfonate, 100µg/mL, Solvent-methanol/water (50/50), Unit 1mL, # of units-1, Cas.no. 1797-33-7 Price on request 96768 Sodium Benzoate & Potassium Sorbate (0.2%) Price on request 70113 Dibenzo(a,h)pyrene Price on request