Atrazine, 250mg Back Catalog number: 672814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended L-PFHPS Sodium perfluoro-1-heptanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 96835 Formaldehyde Price on request S-4146-25ML Petrochemical Internal Standard C14-C17 4 Analytes, equal Wt.%; unit : 25ml screw-capped bottle n-Tetradecane C14 n-Hexadecane C16 n-Pentadecane C15 n-Heptadecane C17 Price on request