Initial Check Verif. Standard 4, in 4%HNO3, 100ml Back Catalog number: ICV-4-100 Availability: In the manufacturer's stock Price on request - + Recommended 11127.15-50-T 3-Bromo-2,2-bis(bromomethyl)-1-propanol 1,1',1''- phosphate,50 µg/mL,isooctane,1mL, Price on request 72649 Bromoform-d Price on request 675093 Sodium p-n-tridecylbenzenesulfonate, 10mg Price on request