Bids Are Invited For Acquisition Of Chemical Products In The Form Of Price Registration Intended For The Treatment Of Drinking Water, Used In Water Treatment Stations (Etas), In Accordance With The Demands Of The Autonomous Water And Sewage Service Of Manhuaçu-Mg.

Aluminum Sulfate - Aluminum Sulfate With The Following Characteristics Minimum Al2o3 Content=16.5 Percent - Maximum Fe2o3 Content= 0.04 Percent - Maximum Acidity Content (Mass Percent As H2so4) = 0.5 Percent - Maximum Free Alkalinity Content (Mass Percent As Al2o3) = 0.4 Percent - Maximum Insoluble Content (Per Mass Cent)=1.0 Percent Physical Characteristics Solubility (25 ºc) = 53.0 Percent Color = Cream White - 2 Mesh = 98 Minimum Percent - 100 Mesh = 10 Maximum Percent. Packaging In 25 Kg Bags, Calcium Hypochlorite (Ca(Oci)2 2H2o - Calcium Hypochlorite Calcium (Ca(Oci)2 2H2o With The Following Characteristics Minimum Content Of 65 Per One Hundred Percent Active Chlorine Available By Weight, Presented In Granules, Maximum 5 Percent Water Insoluble, Intended For The Treatment Of Drinking Water Registered With The Ministry Of Health, In Accordance With Standard Nbr 11887, Free From Caustic Soda, Maximum 0.05 Percent Iron, Maximum 0.5 Percent Heavy Metal Oxide, Ph (1 Percent Solution) 10.5 To 11.5 Solubility In Water 180 G/L, Produces Solutions With Homogeneous Concentration. 45 Kg Packaging, With Safety Seal On The Lid, Which Includes Batch Number, Manufacturing Date, Expiry Date And Origin., Sodium Fluosilicate (Na2sif6) - Sodium Fluosilicate (Na2sif6), For Water Treatment, With The Following Characteristics Purity (Minimum) 98.0 Percent Fluoride Content (Minimum) 59.4 Percent Moisture (Maximum) 0.5 Percent Insoluble (Maximum) 0.5 Percent Apparent Density 1.20 Kg/M3 Solubility In Water At 25 ºc = 0.762 Percent Appearance Bright White Powder Crystalline Granulometry (Passing) Mesh 325 25 Per Cent(Maximum), Mesh 80 -100 Percent. Packaging In 25 Kg Bags, Acid Fluosilicic - Fluosilicic Acid Intended For Water Treatment, With The Following Characteristics Appearance = Clear And Limpid H2sif6 Content = Minimum 20 Percent By Mass Density = 1.20 G/Ml Free Acidity = Maximum 1 Percent Suspended Material = Free Total Iron Content = Maximum 10G/Kg Total Manganese Content = Maximum 10G/Kg Toxicity (Calculated For A Maximum Dosage Of 6.25 Mg/L Of Fluosilicic Acid At 20 Percent) Arsenic = Maximum Of 800 Mg/Kg Chromium = Maximum Of 800 Mg/Kg Lead = Maximum Of 800 Mg/Kg. The Product Must Be Delivered In Canisters, Coarse Salt, Not Iodized - Coarse Salt, No Iodized Intended For Water Treatment With The Following Characteristics For The Production Of Sodium Hypochlorite For Water Treatment, With Chemical Standard For Human Consumption. Sodium Chloride Content Minimum = 99.8 Percent, Typical = 99.86 Percent, Maximum = 99.91 Percent. Moisture Content (120 C/2H) Minimum = 0.1 Percent, Typical = 1.0 Percent, Maximum = 2.0 Percent. Calcium (Ca2) Content Minimum = 0.020 Percent, Typical = 0.040 Percent, Maximum = 0.075 Percent. Minimum Magnesium (Mg2) Content = 0.004 Percent, 010 Percent, 045 Percent. Sulfate Content (So42-) Minimum = 0.030 Percent, 100 Percent, 200 Percent. Minimum Water Insoluble Content = 0.006 Percent, 035 Percent, 050 Percent One Hundred. Ph (10 Percent W/V Solution) Minimum = 6.5, Typical = 8.0, Maximum = 9.5. Iodine (Metalloid) Content = Free. Sodium Ferrocyanide Content = Free. Nitrite Content = Free. Sodium Aluminate Silica Content = Free. Visual Turbidity = Clear Clear. Granulometry = Barbecue Standard Coarse Salt May Be Provided, As Long As The Chemical Composition Meets The Above Specification. Shape = Br Crystals

11,62,732 - BRL

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