Name of parameters |
Norm for B Grade |
First category of quality |
|
First grade OKP 21 8111 0230 |
|
1. Total mass fraction of nitrate and ammonium nitrogen in terms of nitrogen in dry substance, %, not less |
34,4 |
2. Mass fraction of water, %, not more, with additives of calcium nitrate and magnesium nitrate |
0,3 |
3. granules of size from 1 to 3 mm, %, not less than |
Not normalized |
mass fraction of granules from 1 to 4 mm, %, not more |
95 |
Including: granules from 1 to 4 mm, %, not more |
50 |
mass fraction of granules smaller than 1 mm, %, not more |
3 |
mass fraction of granules more than 6mm, % |
0,0 |
4. Static strength of granules, N/granule (kg/granule), not less |
7(0,7) |
5. Friability, %, not less |
100 |
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