Calibration Standard Set Back Catalog number: 52032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M289813 1-Methyl-1H-benzotriazole-d3, 100mg Price on request MPFAC-HIF-ES Mass-Labelled PFAS Extraction Standard, in MeOH, 1,2ml Price on request 675093 Sodium p-n-tridecylbenzenesulfonate, 10mg Price on request