1,2,4-Benzenetricarboxylic acid Back Catalog number: 72294 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CA15557000 Nitrobenzene, 250mg Price on request 70201 Hexazinone 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