Specification:
Nitrogen: 46.0% minimum
Moisture: 0.5% maximum (fisher method)
0.3% maximum (method of drying friability 100)
Biuret: 1.0% maximum by weight
Free ammonia: 160 pxt ppm maximum
Prill: 95.0% maximum
Melting point: 132 degreed centigrade
Color: pure white
Granulation: 1-4 mm 90.0% minimum
Anti-caking agent: 0.5% maximum