Instrument Standard 5 Back Catalog number: 53081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10343.20-K-ME Amitriptyline-d3 hydrochloride (N-methyl-d3), 1000µg/ml in MeOH, 1ml Price on request C16284000 Ponceau 4RC (E124), certified, 0.1g Price on request C10028800 Acid Red 26, certified, 0.1g Price on request