AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE
AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE
CAS: 13478-16-5
Molecular Formula: H16MgNO10P
AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE - Names and Identifiers
| Name | AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE |
| Synonyms | AMMONIUM MAGNESIUM PHOSPHATE 6-HYDRATE AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE |
| CAS | 13478-16-5 |
| EINECS | 603-871-0 |
AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE - Physico-chemical Properties
| Molecular Formula | H16MgNO10P |
| Molar Mass | 245.41 (137.32anhy) |
| Density | 1,711 g/cm3 |
| Melting Point | decomposes to Mg2P2O7℃ [HAW93] |
| Water Solubility | Insoluble in water. |
| Storage Condition | Room Temprature |
| MDL | MFCD00150461 |
| Physical and Chemical Properties | Magnesium ammonium phosphate is colorless orthorhombic crystal system, properties: White Crystal fine particles or powder, density 1.71g/ml, micro-soluble in cold water, soluble in hot water and dilute acid, insoluble in ethanol, alkali solution decomposition. When magnesium ammonium phosphate is heated to 1chemical book00 ℃ in ammonia stream, 5 molecules of crystal water are removed to become monohydrate; When heated to 100 ℃ in air, dehydration to anhydrous; Heating to 600 ℃ is continued, it is decomposed into magnesium pyrophosphate; The aqueous solution is heated to 48 to 50 ° C., and a water substance is precipitated. |
| Use | Uses of magnesium ammonium phosphate as feed additives, fertilizer additives, in medicine also have applications, can also be used in the manufacture of coatings, urethane, soft foam flame retardant. Magnesium ammonium phosphate in foreign countries has been included in the list of fertilizers, used as long-acting inorganic nitrogen fertilizer, mainly used for fruit trees, turf, flowers and so on. |
AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE - Properties, preparation and application of magnesium ammonium phosphate
from VIP Journal Professional Edition
Author:
Abstract:
The properties, uses and preparation methods of magnesium ammonium phosphate are introduced, as well as the application method, application range and application effect of magnesium ammonium phosphate in agriculture. It is pointed out that the superiority of magnesium ammonium phosphate as compound fertilizer, and it is suggested that qualified enterprises should vigorously develop and promote
Key words:
magnesium ammonium phosphate preparation method Agriculture apply
DOI:
10.3969/j.issn.1007-6220.2004.04.018
cited:
year:
2004
Last Update：2024-01-02 23:10:35
AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE - Treatment of wastewater containing ammonia nitrogen by magnesium ammonium phosphate precipitation method
from hownet
Author:
Xu Jinhua , Wang Xiaojun , Xiao Ding
Abstract:
in order to effectively remove high concentration of ammonia nitrogen in iron oxide red wastewater, the chemical precipitation removal method of magnesium ammonium phosphate [Mg(NH4)PO4.6H2O] generated from ammonia nitrogen in wastewater by magnesium sulfate and disodium hydrogen phosphate was discussed. Through the single factor and orthogonal experiments show that: magnesium ammonium phosphate precipitation method has good treatment effect on high concentration of ammonia nitrogen in iron red wastewater; pH has the greatest influence on the treatment effect; When adjusting the original wastewater in the best conditions, that is, the pH value is 10, according to the molar ratio of magnesium, nitrogen and phosphorus is 1.1:1.0:1.3, the drug is added, and the reaction is stirred for 10 min, the concentration of ammonia nitrogen in iron oxide red wastewater can be reduced from 417.5 mg/L to 1.9 mg/L, and the removal rate is as high as 99.5%. At the same time, the obtained magnesium ammonium phosphate precipitate can be used as compound fertilizer.
Key words:
Iron oxide red wastewater ammonia nitrogen magnesium ammonium phosphate
DOI:
10.3969/j.issn.1006-4990.2006.12.016
cited:
year:
2006
Last Update：2023-08-16 22:05:47
AMMONIUM MAGNESIUM PHOSPHATE HEXAHYDRATE - Study on preparation of magnesium ammonium phosphate from wastewater containing nitrogen and phosphorus
from VIP Journal Professional Edition
Author:
Abstract:
magnesium ammonium phosphate is a kind of white crystal which is difficult to dissolve in water. The removal and recycling of nitrogen and phosphorus in wastewater can be realized by forming the precipitation of magnesium ammonium phosphate, and the precipitation can be used as a slow release fertilizer. The formation mechanism and influencing factors of magnesium ammonium phosphate are systematically reviewed. It is considered that the tendency of magnesium ammonium phosphate to precipitate in wastewater and the chemical potential (μ∞) at equilibrium and supersaturation of the chemical potential (μs) difference (Delta μ), supersaturation, wastewater in the magnesium ion, ammonium ion, phosphate ion ratio, water quality characteristics and pH, the degree of completeness of precipitation is also closely related to the precipitation time, and the pH has the most significant effect on the precipitation.
Key words:
magnesium ammonium phosphate nitrogen and phosphorus removal Chemical potential
DOI:
10.3969/j.issn.1006-4990.2007.01.016
cited:
year:
2007
Last Update：2023-08-16 22:05:47
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CAS: 13478-16-5
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Mobile: 18021002903
QQ: 3008007409
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CAS: 13478-16-5
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
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