Procurement of Ammonia Liquor and Tri sodium Phosphate for Water Treatment Plant, 2X250MW and Unit no.-7 and Chemicals for auxiliary boiler chemical dozing for 1x660 MW HTPS, Kasimpur

Tri sodium Phosphate, Dodecahydrate, AR grade, as per IS: 573:1992 A- Technical specifications are as follows:- 1. Matter insoluble in water, Max % by mass 0.01 2. Phosphate (as P2O5), Min %mass 18.3 3. Free Sodium Hydroxide (as NaOH), Max % by mass 2.5 4. Soluble Iron compounds (as FE) % by mass 0.001 5. Chloride (as Cl): Max % by mass 0.05 6. Nitrogen Compound ( as N): Max % by mass 0.001 7. Sulphates (as SO4), Max % by mass 0.01 8. Arsenite (as As2O3), Max % by mass 0.0005 9. Heavy metals (as Pb), max % by mass 0.001 10. Soluble Silica, Max % by mass 0.05 B- Reference: IS:5731992 (fourth revision) , Amendment-1 C- End use: steam water cycle D- General: the material shall be in the form of a white crystalline powder or in the form of easily flowable lumps. E- Packing: the material should be packed in 50 Kg. Plastic bags Material Make- Rankem, Merck

Ammonia Liquor as per IS-799 -1985 Reaffirmed 2010 (AR- grade)or as per latest amendment, if any) having following specification. i) Ammonia (% by mass) = 25 % (Min.) ii) Residue on evaporation (% by mass) =0.002% max. iii) Chlorine, by mass.(as Cl)=0.00005%max. iv) Silica, max by mass (as SiO2)=0.001% v) Iron max. by mass(as Fe)=0.00002% The material should be clear and colorless liquid of extremely pungent and characteristics odor, free from suspended matter and sediment. USE: - For Boiler water cycle treatment. Packing: The material should be packed in 20 to 25 litres PVC carbon in wooden case Make- Rankem, Merck

Tri sodium Phosphate, Dodecahydrate, AR grade, as per IS: 573:1992 1. Phosphate (as P2O5), Min % by mass 18.3 2. Free Sodium Hydroxide (as NaOH), Max % by mass 2.5 3. Soluble Iron compounds (as FE) MAX % by mass 0.001 4. Soluble Silica, max% by mass 0.05-reference-IS 573:1992 5. Matter insoluble in water, Max % by mass 0.01 6. The material shall be in the form of a white crystalline powder or in the form of easily flow-able lumps. The material should be packed in 50 Kg. Plastic bags Brand- Qualigens, Rankem, Merck

M/S P.K. BROTHERS

M/S P.K. BROTHERS