Tri-Ammonium Orthophosphate with CAS 10124-31-9
Ammonium phosphate, Ammonium phosphate), also known as TRI-AMMONIUM ORTHOPHOSPHATE, inorganic compounds, molecular formula (NH4) po4 3, is the phosphoric acid, Ammonium salt, there is no water and hydrate. Ammonium phosphate is a colorless crystal or gray-white powder, sometimes a granule, easily soluble in water. Ammonium phosphate, containing nitrogen and phosphorus, is a compound fertilizer.
Triammonium orthophosphate trihydrate;AMMONIUMORTHOPHOSPHATE;Phosphoricacid,ammoniumsalt
Ammonium phosphate is a high concentration nitrogen - phosphorus compound fertilizer.
When ammonium phosphate is used as fertilizer in agriculture, special attention should be paid to its thermal decomposition and alkali decomposition. In calcareous soils with a pH value of more than 7.5, decomposition and volatilization loss of ammonia are easy to occur, and water-soluble phosphorus is converted to cornut-soluble phosphorus. The main chemical reactions are:
CaCO3 + (NH4) 2 hpo4 - nh3 + CaHPO4 + CO2 + 2 H2O
Ammonium phosphate is a kind of high concentration and quick effect compound fertilizer. Its N+P2O5 content is around 64%, soluble in water and high salt index. Monoammonium phosphate and diammonium phosphate salt index of 30 and 34 respectively, so should pay special attention to when the seed manure can't direct contact with the seed, as basal fertilizer point cannot too close from the radicle, plumule, lest burns by release of ammonia molecules. Ammonium phosphate as a basic fertilizer and fertilizer, but because its molecules contain phosphorus removal is higher than the nitrogen nutrient, its monoammonium phosphate of N: P2O5 ratio is about 1:5, dap jn 1:2. 5, in order to contain the p can give full play to the role in the early stages of the crop growth, general appropriate as basal, for those with high available phosphorus of soil or used for rice needs the crop phosphorus is relatively small, even as a basal, also must match a certain amount of N fertilizer, N: the proportion of P2O5 adjust to appropriate levels. Ammonium phosphate can be mixed with most fertilizers, but it must not be mixed with alkaline fertilizers, because it can promote the decomposition of ammonium phosphate and release ammonia.
In addition, ammonium phosphate is used as raw material and can be prepared into a variety of compound fertilizers, the main varieties of which are: ammonium sulphate phosphate. For example, ammonium thiophosphate, whose grade is 16-20-0, produced by 32% monoammonium phosphate and 59% ammonium sulphate, has good physical properties, and its critical moisture absorption point is 75.8 percent relative humidity, higher than monoammonium phosphate. Potassium ammonium phosphate. The grade of representative varieties is 25-25-0, 28-14-0 and so on. Chemical reaction of ammonia phosphatidylate. It is a high concentration of solid compound fertilizers with N, P and N, P, K type, such as the grade of 28-28-0 and 22-22-11 varieties, such as general by the ammonium phosphate slurry, or by the powder and granular products together with the spray granulation of urea granulation, product has good physical, applicable to a variety of soil and crops
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