S.NO. SPECIFICATION ANALYTICAL VALUE
Regular Grade Special Grade
1 Description Clear colourless liquid Clear colourless liquid
2 Miscibility Miscible with Methanol Miscible with Methanol
3 Assay % (w/w) 29.0 – 31.0 29.0 – 31.0
4 NaOH & Na2CO3 as H2O (Free Alkali) 0.20 % Max. 0.05 % Max.
5 NaOH & Na2CO3 as NaOH (Free Alkali) 0.44 % Max. 0.11 % Max.

1 Description Fine crystalline white powder Fine crystalline white powder
2 Solubility Soluble in Alcohols Soluble in Alcohols
3 Assay (Total Alkalinity) 99.00 % Min. 99.00 % Min.
4 NaOH & Na2CO3 as H2O (Free Alkali) 0.50 % Max. 0.30 % Max.
5 NaOH & Na2CO3 as NaOH (Free Alkali) 1.10 % Max. 0.66 % Max.

1 Description Viscous clear liquid
2 Specific gravity at 25C 1.825 Min.
3 Sulphuric acid as H2SO4% (W/W) 98% Min.

1 Description Fuming viscous clear liquid
2 Specific gravity at 15C 1.918 – 1.952
3 Free SO3 30%

1 Moisture 12.0 % Max.
2 Neutral Ammonium Citrate Soluble P2O5 16.0 % Min.
3 Water Soluble P2O5 14.5 % Min.
4 Free Phosphoric acid as P2O5 4.0% Max.
5 Sulphur as S 11.0 % Min.

1 Moisture 5.0 % Max.
2 Neutral Ammonium Citrate Soluble P2O5 16.0 % Min.
3 Water Soluble P2O5 14.5 % Min.
4 Free Phosphoric acid as P2O5 4.0% Max.
5 Sulphur as S 11.0 % Min.
7 Particle size (1mm – 4 mm) 90.0 % Min.
8 Particle size (Below 1 mm) 5.0 % Max.

1 Total Nitrogen 17.0 % Min.
2 Total Phosphate as P2O5 17.0 % Min.
3 Total Potassium as K2O 17.0 % Min.