Ethylene thiourea, 250mg Back Catalog number: 674859 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MI513-045 Reagent kit for 45 tests (Free & total chlorine HR) Contains: 1 x 115 mL DPD0, 1 x 20mL DPD1, 1 x 20mL DPD3 Price on request 93790 Purgeable Halocarbons Price on request 54182 Total Dissolved Solids (TDS) Price on request