Perchlorate Level 3 Back Catalog number: 59341 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673735 Atrazine, 100 µg/ml, Ethyl acetate, 5ml Price on request 1315.13-10-T 2-Fluorofluorene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 343-43-1 Price on request 70901 3-Methylheptane Price on request