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 11439.19-100-IO Diphenyl-p-tolyl phosphate-d7 (p-tolyl-d7),100 µg/mL,isooctane,1mL, Price on request 9391.10-50-AN 8:2Mono-PAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 57678-03-2 Price on request 95295 Propanol Standard Price on request