Base/Neutral & Acid Surrogate Standard Back Catalog number: 25015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70406 Parathion methyl Price on request 71227 p-Terphenyl, 1000µg/ml in MethyleneChloride, 1ml Price on request 678232 Oleandomycin phosphate, 100 µg/ml, Acetonitrile, Price on request