Method 1668A/B Calibration Solution [CS2], 5ng/ml in Nonane, 0,2ml Back Catalog number: EC-4976-2 Availability: In the manufacturer's stock Price on request - + Recommended NAP3MHPS Sodium perfluoro-3-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 3752.10-50-IO 1,2,3,4-Tetrachloro-1,2,3,4-tetrahydronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 52314 GFAA Calibration Price on request