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Single Superphosphate (16% P2O5 Granulated) (i) Moisture per cent by weight, maximum 5.0 (ii) Free phosphoric acid (as P 205.) per cent by weight, maximum 4.0 (iii) Water soluble phosphates (as P 205.) per cent by weight, minimum 16.0 (iv) Particle size -Not less than 90 per cent of the material shall pass through 4 mm IS sieve and shall be retained on 1 mm IS sieve. Not more than 5 per cent shall pass through 1 mm IS sieve. (v) Sulphur (as S),percent by weight ,min. 11.0 8.Superphosphosphoric Acid (70%) P2O5 (liquid) (i) Total phosphate (asP2o5)percent by weight, minimum 70.0 (ii) Polyphosphate (asP2o5)percent by weight, minimum 18.9 (iii) Methanol Insoluble matter, percent weight, minimum 1.0 (iv) Magnesium) as Mg0), percent by weight, minimum 0.5 33 (v) Specific gravity (at 24*c) 1.96 1(c) STRAIGHT POTASSIC FERTIUSERS 1.Potassium Chloride (Muriate of Potash) (i) Moisture per cent by weight, maximum 0.5 (ii) Water soluble potash content (as K20) per cent by weight, minimum 6O.0 (iii) Sodium as NaCI per cent by weight (on dry basis) maximum 3.5 (iv) biuret, per cent by weight maximum 1.5 (v) Particle size -—Not less than 65 cent of the material shall pass through 1.7 mm IS sieve and be retained on 0.25 mm IS sieve. 2.Potassium Sulphate (i) Moisture per cent by weight, maximum 1.5 (ii) Potash content (as K2O) per cent by weight, minimum 50.00 (iii) Total chlorides (as CI) per cent by weight, (on dry basis) maximum 2.5 (iv) Sodium as NaCI per cent by weight, (on dry basis) maximum 2.0 (v) Sulphur (as S),percent by weight ,min. 17.5