1. Aluminum Sulfate With The Following Characteristics - Aluminum Sulfate With The Following Characteristics: Minimum Al2o3 = 16, 5% - Maximum Fe2o3 = 0, 04% - Maximum Acidity Content (% In Mass Like H2so4) = 0, 5% - Maximum Free Alkalinity Content (% In Mass Like Al2o3) = 0, 4% - Maximum Insoluble Content (% In Mass) = 1, 0% Physical Characteristics - Solubility (25 ° C) = 53, 0% Color = White Cream - Mesh 2 = 98% Minimum - Mesh 100 = 10% Maximum., 2. Flosyl Acid Intended For Water Treatment - Flosilicic Acid For Water Treatment, With The Following Characteristics: Light And Clear Content Of H2sif6 = Minimum Of 20% Mass Density = 1, 20 G/Ml Free Acidity = Maximum 1% Suspension Material = Free Iron Content = Maximum 10G/Kg Total Manganese Content = Maximum 10G/Kg Toxicity ( Calculated For A Maximum Dosage Of 6, 25 Mg/L Of Flowing Acid To 20%): Arsenic = Maximum Of 800 Mg/Kg Chrome = Maximum Of 800 Mg/Kg Lead = Maximum 800 Mg/Kg, 3. Filter Bed :. - Material To Compose A Filter Bed: Boulder, With The Following Characteristics: • Consisting Of Rounded, Non -Friable Fragments, Found In Rivers Or Deposits, Whose Size Varies Between 6, 50 To 3, 35Mm With Density Not Less Than 2, 5 • No More Than 25% Of The Boulder Mass Of Any Size Can Be Formed By Fractured Or Angular Pieces; • The Percentage Of Thin, Laminated Or Elongated Parts In Which The Largest Dimension Exceeds Three Times The Smallest Dimension, Should Be A Maximum Of 2%; • It Should Be Visually Free Of Piçarra, Mica, Sand, Silt, Clay, Powder And Organic Impurities; • Acid Solubility Should Not Exceed The Following Boundaries: Boulder Size (Mm) 6, 35 To 3, 36Mm • No More Than 8% Of The Dough Should Be Greater Or Less Than Size Or Limits Of Specified Sizes. 4. Filter Bed Composer Material - Material To Compose A Filter Bed: Sand, With Following Characteristics: Consisting Of Grains Of Silicon Material. It Should Be Visually Free Of Dust, Clay Clay, Mica And Organic Matter; Acid Solubility Should Not Exceed 5%; The Density Of The Sand Should Not Be Less Than 2, 5. Te 0, 50 To 0, 60Mm. Cu 1, 4 To 1, 6. Bags Of 25 Kg., 5. Anthracite, With The Following Characteristics - Anthracite, With The Following Characteristics: • Consisting Of Dense And Hard Coal (Anthracious) Grains, Of Various Sizes; • Hardness Should Not Be Less Than 2, 7 On The Moh Scale; • Density Should Not Be Less Than 1, 4; • Must Be Visually Free Of Clay, Piçarra And Other Foreign Materials; • Acid Solubility Should Not Exceed 1%. • Spark Size - Te: 0, 8 To 1, 0Mm • Packaging: 25Kg Bags • Nbr 11799/2016., 03/02/2025, 6. Calcium (Ca (Oci) 2 2H2o) Intended For Water Treatment With The Following Characteristics: Minimum Of 65% Active Chlorine Available In Weight, Presented In Granules, Maximum Of 5% Insoluble In Water, Intended For The Treatment Of Drinking Water Registered With The Ministry Of Health, According To Nbr 11887 Caustic Soda, Maximum Of 0.05% Iron, Maximum Of 0.5% Of Heavy Metal Oxide Al, Ph Soluble To 1% Of 10, 5 To 11, 5 Solubility In Water 180 G/L, Produces Solutions With Homogeneous Concentration, Packaging In Plastic Drums With Lid Safety Seal, Which Contains No Lot, Date Of Manufacture, Validity And Origin.
