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| 1 | Supply of Cooling water Treatment Chemicals |
| 2 | 1-Hydroxy Ethylidine 1-1 Diphosphonic Acid (HEDP) Appearance- Colourless transparent liquidMolecular weight- 206Active content- 50% ± 2%Phosphorous acid (as PO4)-2.5 % max.Phosphoric acid (as PO4)-0.7 % max.Density (20°C) g/cm3-1.39-1.49pH (1% water solution)-2.0 max Calcium sequestration mg CaCO3/gm-=500 mg/gm Solubility-soluble in water |
| 3 | Polymeric dispersant Copolymer (Non -foaming Type,biodegradable)Function in Cooling water system-Dispersant,descalant or anti precipitant Composition- Low molecular weight (> 4000 & <5000)-Sulphonated Acrylic CopolymerActive Content- 50% ± 3%pH (as is basis)- 3.0 -4.5Total solids-42.5 %-46 %Special Gravity-1.1-1.25 |
| 4 | Dispersant Copolymer (Non -foaming Type, biodegradable) Function in Cooling water system-Dispersant,descalant or anti precipitant Composition- Low molecular weight (> 4000 & <8000)-Acrylic Terpolymer(Carbolyxate / Sulphonate/nonionic) Active Content- 50% ±3%pH (as is basis)- 2.5-4.0Total solids-43.0%-44 %Special Gravity-1.15-1.20Brooke field Viscosity -150-400 cP |
| 5 | ZincSulphate (ZnSO4.7 H2O)(Tech. Grade) IS-1880:1977Appearance - Colourless or white crystalsZinc as Zn % (min) -22.5Lead as Pb % (max)-0.01Cadmium as Cd %(max) 0.01Magnesium as Mg %(max)0.001Copper as Cu %(max) -0.02Iron as Fe% (max) -0.02Insoluble %(max) -0.1 |
| 6 | 2-Phosphonobutane-1,2,4- tricarboxylic Acid (PBTC):Appearance - Colourless to Pale yellow clear liquidMolecular weight - 270Active Acid Content - 49% - 51%Phosphorousacid (as PO4) - 0.5 % max.Phosphoric acid (as PO4) - 0.2 % max. Density (20°C) g/cm 3- 1.27-1.30pH (1% water solution) - 2.0 max. Iron Content - 5 ppm Chloride as Cl- -10 ppm max |
| 7 | Linear Alkyl Benzene Sulphonic Acid,LABSA 96%,Appearance- Clear light brown viscous liquidColour, Klett - 70 maxActive Matter % - 96 minFree Sulfuric Acid , % -1.5 maxFree Oil (Unsulphonated matter) % - 1.5 maxMoisture % - 1.0maxAcid Value -175 - 190 |
| 8 | Bio dispersant 1. Organic polymer & based on blend of Ethylene Oxide & Propylene Oxide condensate (EOPO). 2. Neat 100 % pure product (100% active ingredient content).It should not containIPA(Isopropyl Alcohol) or any other solubilisingsovents.It should not be blended withany solvent. 3.Non -ionic surfactant & does not cause foaming or very low foaming @ dosing level 5 mg/l (100 % basis) 4.pH---> 5.8-8.0 |
| 9 | Sodium Chlorite NaClO2( Min. 25 %) |
| 10 | Sub Total(From 1.01 to 1.08) |
| 11 | Total Packing & Forwarding Charges (on 1.09) |
| 12 | Sub Total of Suppy+P&F |
| 13 | Total Freightup to STPS Site |
| 14 | Total Insurance Charges (Including GST) |
| 15 | Other taxes/ charges(If any) |
| 16 | Total Supply amount (1.11 to 1.14) |
| 17 | ETC ( As per scope of work) |
| 18 | Services for cooling Water Treatment (Complete Job) |
| 19 | Any other charges |
| 20 | TOTAL ETC AMOUNT (2.01+2.02) |
