EPA Method 630/630.1 Stock Solution #2 Back Catalog number: 40025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11304.27-10MG d6 C27 ??? (20R)-Cholestane (2,2,3,3,4,4-d6),neat,neat,10mg, Price on request M2-10:2FTS Sodium 1H,1H,2H,2H-perfluoro(1,2-13C2)dodecanesulfonate (10:2), 50µg/ml in MeOH, 1,2ml Price on request 57059 Praseodymium (Pr) Price on request