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Ammonium superphosphate
Specifications T S 00203743-8-2003
The present specifications extend to superphosphate ammonium (further ammonium superphosphate) granulated, intended for agriculture as complex fertilizer of prolonged action on the basis of phosphates and ammonium sulphates.
Ammonium superphosphate contains nutrients in the form of phosphorus and nitrogen.
Physical and chemical indicators:
Name of parameters |
Norm |
Appearance |
Granular of grey colour |
Mass fraction of assimilable phosphate (Р2О5), %, not less |
10±1 |
Mass fraction of water-soluble phosphates, %, not less |
60 |
Total nitrogen (N), %, not less |
9±1 |
Water content, %, not more |
2,0 |
Granularity:mass fraction of granules: |
|
less than 1 mm, % |
5 |
from 1 to 4 mm, % |
90 |
less than 6 mm, % |
100 |
Static strength of granules, MPa (kgs/cm2), not less |
3 (30) |
Friability, %, not less |
100 |
Note: excess of top limits of mass fractions of general phosphates and nitrogen is supposed. |
|
Packing: Ammonium superphosphate is packed into four, six-layer paper bags by TDS - 2226 of any marks except untreated bags providing safety of the product, open polyethylene bags by TDS-17811, polypropylene by TDS-30090 in weight (40±1) or (50±1) pack into four, kg. The weight of each bag of one party should be identical.
Marks: mass, net, the product name, manufacturing date, party number, designation of the present specifications, designation of a sign on conformity or number of the certificate of conformity.
Transport marks – by TDS-14192 with handling instruction drawing «Protect from moisture», and sign on danger by TDS-19433, (class 9, under class 9.1, the classification code number 9163).
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