Specifications: Specifications: Origin: Ukraine Nitrogen:46% min Moisture: Max 0,3%,0,5% max method of drying Color: Pure white Granulation:1-4mm 90% minimum/less then 1mm absence Biuret:1% max by weight Free ammonia:160 pxt, ppm max Melting point: 132 degrees celsius Grade of purity: Technical Radiation: Non radioactive; 100% free flowing, treated against caking, free of harmful substance Gost:2081-92 or equivalent, or better