IC Standard 1B Back Catalog number: 50700A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673654 Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 97680 PAH Spike Stock Price on request 72849 Alachlor OA, 1000µg/ml in Acetonitrile, 1ml Price on request