MA - VPH Matrix Spike #2 Back Catalog number: 93625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2698.19-100-ME Noramitriptyline hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 894-71-3 Price on request 677708 Biuret, 100mg Price on request 675789 2,3,4,5-Tetrachlorophenol acetate, 10.0 µg/ml, Is Price on request