Calcium Hardness Back Catalog number: 54143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2240.17-100-AN 3-Acetyldeoxynivalenol, 100µg/ml in Acetonitrile, 1ml Price on request 2940.9-100-IO Diuron-d6 (dimethyl-d6), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1007536-67-5 Price on request C2377 6-Chloro-3(2H)-pyridazinone, >98%, 25g Price on request