Bids Are Invited For Acquisition Of Hydrated Lime, Sodium Hypochlorite, Polyacrylamide Polymer (Non-Ionic), Sodium Fluosilicate And Sodium Hydroxide.

Hydrated Lime For Water Treatment - Minimum Ca(Oh)2 Content 90.00% - Minimum Lime Content 66.10% - Maximum Acid Insoluble Residue Content 0.20% - Packaging In A 20 Kg Plastic Bag - Minimum Validity Of 7 Months From The Issuance Of The Invoice, Sodium Hypochlorite; 10 To 12% Active Chlorine; Density 1.16 To 1.20; Molecular Weight 74.45; Ph 10.00 À 13.00; Caustic Soda Minimum 117 G/L, Polyacrylamide Polymer (Non-Ionic) - Powder Flocculant Technical Characteristics: The Product Must Be Of A Special Type For Water Treatment For Human Consumption And Must Comply With Consolidation Ordinance No. 5 Of September 28, 2017, Annex Xx, Of The Ministry Of Health Or Another That Replaces It, Presenting The Following Characteristics: Characteristics:- Acrylamide Residual In (Ppm) Max. 500.00.- Insoluble Material In (Water) Max. 0.50.- Total Solids In (% W/V) Min. 87.00 And Max. 99.00.- Standard Viscosity Ul In (Cps) Min. 4.00 And Max. 5. 4.Packed In Bags, Resistant To Handling, Transport And Storage Operations, With A Capacity Of 25 Kg And Marked With Information About The Product And A Minimum Validity Of 24 Months From The Issuance Of The Invoice., Sodium Fluosilicate (Na2sif6) - Crystalline Powder, Non-Hygroscopic, Without Crystallization Water, Packed In Bags, Resistant To Storage Operations Handling, With Capacity For 25 Kg And Marked With Information About The Product, Net Weight, Name Of The Manufacturer, Responsible Chemist With The Respective Crq Number And Minimum Validity Of 24 Months From The Issuance Of The Invoice. Characteristics: - Purity: Minimum 99%; - Fluorine Content: Minimum 59%; 0.5%;- Apparent Density: 1.20 Kg/M³;- Insoluble: Maximum 0.5%;- Heavy Metals With Pb: Maximum 0.05%;- Solubility In Water: 0.762% At 25ºc (G/100G H2o);- Granulometry: Retained On Abnt Sieve Number 40 (Nbr 5734) - Maximum 0.50% And Passing Abnt Sieve Number 325 (Nbr 5734) - Maximum 25.0%;- Does Not Contain Mineral Or Organic Substances In Levels That Are Inhibitory Or Toxic To Living Beings In General., Sodium Hydroxide 50%Product Identification: Chemical Name Sodium Hydroxide: 50% Commercial Name Caustic Soda: 50% Chemical Formula: Naoh Active Content: 49 - 51% Un Number: 1824 Risk Class: 8 Risk Number: 80 Technical Specifications: Physical State: Viscous Liquid Color: Transparent To Cloudy Whitish. Odor: Odorless Ph: 13.00 - 14.00 Density: 1.50 - 1.54 Molecular Weight: 40 Boiling Point: 145ºc Water Solubility: Completely Miscible In Water Application: Water And Effluent Treatment. Minimum Shelf Life: 6 Months Storage And Preservation Care: Can Be Stored In A Storage Tank Carbon Or Stainless Steel, Coated Fiber Or Polyethylene At Temperatures Between 25 And 40 ºc. Sodium Hydroxide 50% Is A Highly Corrosive Product. May Cause Serious Injury Upon Contact With Skin. Epi Should Be Used As Safety Glasses, Pvc Gloves, Rubber Boots And Pvc Apron. Reacts Violently With Acids. In Contact With Water, Caustic Soda Releases Energy In The Form Of Heat, Heating The Solution.