Internal & Surrogate Standard 8260B Back Catalog number: 97179 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11420.27-K-ME Verapamil,1000 µg/mL,MeOH,1mL, Price on request 676184 Flumetsulam, 10 µg/ml, Acetonitrile, 10ml Price on request M288285 Methyl Arsonic Acid Disodium Salt (~40%), 250mg Price on request