Specification:
Nitrogen: 46% by weight (minimum)
Prilled: 90% (maximum)
Moisture: 0, 5% max by weight
Maximum (Fisher method) 2. 0, 3% maximum method
Drying friability: 100
Biuret 1, 0% maximum by weight
Free ammonia: 160 pxt, ppm max
Melting point: 132 degrees Celsius (centigrade)
Color: pure white