Hexavalent Chromium (Cr 6+) Back Catalog number: 59516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11902.19-K-ME Protriptyline hydrochloride ,1000 µg base/mL,MeOH,1mL, Price on request 20002 EPA Method 8240A - Purgeable Surr Std Price on request 24690-10000CY5 MINERAL OIL A + B (ISO-9377-2), 10000 µg/ml, 5ml, CY Price on request