Details: name of work purchase of dpd pouches to check the residual chlorine in water samples for the quality control laboratories running under cwa w s ii division dpd powder sachetspecification for dpd powder for determination of free chlorine in treated water/treated waste water:the dpd (n, n-diethyl-1.4-phenylendiamine) powder pouch for single test of residual chlorine is required for measuring range between 0.02 to 3.5 mg/l in chlorine treated water or was
Sector: Water supply and Sewerage