CLP Acid & Base/Neutral Surrogate Mix Back Catalog number: 21056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10343.20-10MG Amitriptyline-d3 hydrochloride (N-methyl-d3) Price on request 72548 Benzyl acetate Price on request 679171 D3-Ipronidazole-hydroxy, 10mg Price on request