BOD Calibraton Standard Back Catalog number: 54197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678247 Butachlor, 100 µg/ml, Methanol, 1ml Price on request 677148 Diphenyltin dichloride, 1000 µg/ml, Methanol, 5m Price on request 97999 Ethylene oxide (2mg/mL) Price on request