procurement of Caustic Soda Lye for OGCD, DTPS, HTPS, Kasimpur through short term Open Tender basis on e-tender Portal

CAUSTI C SODA LYE 47%, Specific Gravity of Caustic Soda Lye (47 PERCENT): Between 1.478 (At 46.0 Degree celcius) to 1.501 (At 15.5 Degree Celcius) Specifications for Caustic Soda Lye : As per IS 252: 2013 Sodium carbonate (as Na2CO3), % by mass (Max): 0.20 Sodium hydroxide (as NaOH), % by mass (Min): 47 Chlorides (as Cl-), % by mass (Max): 0.015 Sulphates (as SO4 2-), % by mass (Max): 0.015 Silicates (as SiO2), % by mass (Max): 0.01 Iron (as Fe), ppm (Max): 10 Copper (as Cu), ppm (Max): 1 Manganese (as Mn), ppm (Max): 0.5 Chlorates and perchlorates (as NaClO3), ppm (Max): 40 Matter insoluble in water, % by mass (Max): 0.025 Total mercury (as Hg), ppm (Max): 0.01 Sodium hydroxide (as NaOH), % by mass on dry basis (Min): 99.5