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MnPO4ºÏ³ÉÒÉÎÊ ÒÑÓÐ6È˲ÎÓë
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Journal of Alloys and Compounds 454 (2008) 78¨C82 Serrabancaite, MnPO4¡¤H2O compound was prepared by solution precipitation method using Mn(NO3)2¡¤4H2O (>99% purity, Fluka) and phosphoric acid 86.4%, w/w H3PO4, Merck) as starting materials and water¨Cethanol as base agent. Five grams of Mn(NO3)2¡¤4H2O was dissolved in 5mL of 70% H3PO4 and then 20mL of ethanol was added. The resulting solution was vigorously stirred for 2 h at 40 ◦C and finally the gray-green precipitates were obtained. This process can be explained by the following reaction: Mn(NO3)2 ¡¤ 4H2O(aq) + H3PO4(aq)¡úMnPO4 ¡¤ H2O(s) + 2NO3− + 3H+ + 3H2O ÕâÖÖ·½·¨ÄܺϳÉMnPO4Â𣿶þ¼ÛÃÌÔõôת»¯³ÉÈý¼ÛÃÌ£¿ |
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