CLP Semi-Volatile Calibration Mix #2 Back Catalog number: 10028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16972720 Spectinomycin sulfate hydrate, certified, 0.1g Price on request 80303 EPA Method 8032 Internal Standard Price on request 2728.3-100MG N,N-Dimethylguanidine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6145-42-2 Price on request