Citric acid, % by mass, as monohydrate As per C6H8O7, H2O, Min 98. 5 %, BIS 5464: 1995, Q3, Calcium hydroxide, or Lime Powder or slacked lime Ca, OH 2 as per IS1540:, 1990, Moisture: 0. 5- 0. 8 % by m, TRISODIUM, PHOSPHATE, Na3 PO4 12 H2O Analytical Grade, AR As per, IS: 573: 1992, assay 18. 3 % as P2O3, mi, DI SODIUM, HYDROGEN PHOSPHATE, Na2 HPO4 12 H2O, Analytical, grade, AR assay 99 % on Dry basis, As per, Sodium, Nitrite, As per IS: 879: 1981, Technical grade, assay 97 %, min