| Characteristics |
Standard
for make |
| A |
B |
|
superior grade |
first grade |
|
|
1. State and color |
grained product free of mechanical
impurities |
|
| 2. Fraction of total mass of nutrients
recalculated to: |
|
- ammonium nitrate, in dry substance, %, no
less than
|
*8 |
doesn\'t stand |
|
- nitrate in dry substance, %, no less
than
|
doesn\'t stand |
*4,4 |
*4,0 |
|
|
3. Mass fraction of water (determined
drying), %, no more than |
0,3 |
0,3 |
0,3 |
|
| 4. Mass fraction of additions recalculated to
dry substance: |
|
- nitrates of Ca and Mg, recalculated to CaO,
%
|
0,2 - 0,5 |
0,2 - 0,5 |
doesn\'t stand |
|
|
5. pH of *0% aqueous solution, no less
than |
5,0 |
5,0 |
5,0 |
|
|
6. Mass fraction of non-soluble matters in
*0% solution of nitric acid, %, no more than |
0,2 |
doesn\'t stand |
|
| 7. Grain-size analysis: |
|
- mass fraction of grains from 1 up 4 mm, %, no
less than
|
doesn\'t stand |
*5 |
*5 |
|
- grains from 2 up 3 mm, %, no less
than
|
doesn\'t stand |
*0 |
doesn\'t stand |
|
- mass fraction of grains less than 1 mm, %, no
more than
|
4 |
2 |
2 |
|
- mass fraction of grains from 1 up 3 mm, %, no
less than
|
*3 |
doesn\'t stand |
|
|
|
absence |
|
- mass fraction of grains from 2 up 3 mm, %, no
less than
|
doesn\'t stand |
*0 |
*0 |
|
|
8. Friability, %, no less
than |
**0 |
**0 |
**0 |
|
|
