Bids Are Invited For Hiring A Legal Entity For The Supply Of Chemical Products For The Treatment And Purification Services Of Artesian Wells, Belonging To The Municipal Department Of Works Of The Municipality Of São José De Mipibu/Rn

100% Aluminum Sulphate, Iron Free, 2Kg Pack. With The Following Specifications: Density (At 20ºc) -----------1, 300 To 1, 330 Concentration ------------------.49, 5 To 50.0 Al203 (Aluminum Oxide) ----8.25 To 8.50 F203 (Iron Oxide) -------0.001 To 0.003 Alkalinity (As Al203) ---0.00 To 0.20 Acidity (As Free H2so4) ----0.30 Appearance --------Straw Yellow Viscous Liquid. Validity. ------------Advised To Be Used Within Three Years. Application: In Water Treatment As A Coagulant And Clarifier, Sodium Hypochlorite With At Least 12% Active Chlorine Suitable For Water Treatment, With The Following Specifications: Determination-------------Minimum Density -----------------1.20 Concentration------------10.00% By Weight Of Active Chlorine -------- ---- 12, 90% By Volume Coloring------------Liquid Greenish Yellow Alkalinity ------Ph 13-14 Free Soda ----------0.4% - 0.5% Application: Use In The Disinfection Of Drinking Water., Triple Action Chlorine 3X1 Bucket With 10 Liters., 01/15/2025