Features:1) Specification item: standard 2) Ca: min. 18.5%3) N content (in NO3-): 14.0 - 14.4% 4) N content (in NH4+): 1.1 - 1.3% 5) Insoluble matter in water: 0.2% max.6) H2O: 12.0 - 16.0% 7) Iron: 0.005% max. 8) Chloride: 0.02% max. 9) pH: 5.7 - 7.0 producing area:China supplying capacity:5,000MT/Year