Calibration Standard Mix 4 Back Catalog number: 52013A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92775 Chlorophenols Standard Price on request B685405 cis-[2-Bromomethyl-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl]methyl Benzoate, 5g Price on request 675980 D5-Atrazine, 100 µg/ml, Acetone, 1ml Price on request