The phase system magnesia-ammonium oxide-phosphorus oxide-water at 25.degree.C
The phase system magnesia-ammonium oxide-phosphorus oxide-water at 25.degree.C
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25℃时氧化镁-氧化铵-氧化磷-水的相体系
DOI：
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发表时间：
1992
期刊：
影响因子：
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通讯作者：
K. J. Waerstad
中科院分区：
文献类型：
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作者：
A. W. Frazier;K. J. Waerstad
在pH值为3 ~ 9时，测定了mghpo4在25℃下MgO-(nh4) 2o - p2o - h2o体系中的溶解度等温线。3h2o (newberite) mg3 (nh4) 2 (hpo4) 4。8H 2o（汉纳石），Mg(nh4) 2 (hpo4) 2。4h2o - a（闪辉石），Mg(nh4) 2 (hpo4) 2。4h2o2 - b和mgnh2po4。6h2o（鸟粪石）。给出了新化合物Mg(nh4) 2 （hpo4）的晶体学性质。4H 2 O-B，一种二晶型的矿物斜辉石
Solubility isotherms in the system MgO-(NH 4 ) 2 O-P 2 O 5 -H 2 O at 25°C were determined between pH values of 3 and 9, for MgHPO 4 .3H 2 O (newberite), Mg 3 (NH 4 ) 2 (HPO 4 ) 4 .8H 2 O (hannayite), Mg(NH 4 ) 2 (HPO 4 ) 2 .4H 2 O-A (schertelite), Mg(NH 4 ) 2 (HPO 4 ) 2 .4H 2 O-B, and MgNH 4 PO 4 .6H 2 O (struvite). Crystallographic properties are given for the new compound Mg(NH 4 ) 2 (HPO 4 ).4H 2 O-B, a dimorphic form of the mineral schertelite