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CAUSTIC SODA
| Parameters | SRAAC Specifications | IS 252 - 1991 Technical grade | | Purity as NaOH, % by mass | Min. 97.0 | Min. 95.0 | | Sodium carbonate ,% by mass | Max. 0.75 | Max. 2.00 | | Sodium chloride, % by mass | Max. 0.10 | | | Iron as Fe, ppm | Max. 20.0 | | | Nickel as Ni , ppm | Max. 4.0 | | | Parameters | SRAAC Specifications | | Purity as NaOH, % by mass | Min. 98.0 | | Sodium carbonate ,% by mass | Max. 0.75 | | Sodium chloride, % by mass | Max. 0.10 | | Iron as Fe, ppm | Max. 20.0 | | Nickel as Ni , ppm | Max. 4.0 | Caustic Soda is used by aluminium, paper & pulp, pharmacy, soap, textile and rayon industries.
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