Object: Electronic Auction - Acquisition, On Demand, Of Dpd Reagent (N,N-Diethyl-P-Phenylenediamine) In Effervescent Tablets, Used To Determine Free Residual Chlorine In Treated Water Samples, According To Saerb Technical Specifications And Ministry Of Health Standards (Consolidation Ordinance No. 05/2017 Updated By Gm/Ms Ordinance No. 888/2021).