2-Butanone Back Catalog number: 82432 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678495 Pyridaphenthion, 100 µg/ml, Acetonitrile, 5ml Price on request 684089 Tribromoacetic acid, 250mg Price on request MI511-100 Reagent kit for 100 tests (pH and free & total chlorine) Contains: 1 x 20 mL DPD1, 1 x 20 mL DPD2, 1 x 20mL DPD3, 1 x 20mL pH3 Price on request