Mixed Calibration Standard 1 Back Catalog number: 53335 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2543.20-K-ME Amitriptyline hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 549-18-8 Price on request 91414 EPA Method 505 Triazines Price on request 678051 Acetochlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request