HPLC Fermentation Standard Back Catalog number: 92457 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681953 Paraoxon-ethyl, 10.0 µg/ml, Acetone, 10ml Price on request 92779 EPA Method 617/8080/8250/8270 - Analytes Price on request 52251 Method 200.8 Single Element Kit Price on request