Preparation of sodium tripolyphosphate from concentrated phosphoric acid by one-stage method

被引：0
|
作者：
Makara, Agnieszka [1 ]
Wzorek, Zbigniew [1 ]
机构：
[1] Politech Krakowska, Inst Chem & Technol Nieorganicznej, PL-31155 Krakow, Poland
来源：
PRZEMYSL CHEMICZNY | 2009年 / 88卷 / 04期
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D O I：
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Na tripolyphosphate (1) was produced by one-stage conversion of 3 various oract. H3PO4 and H3PO4 with Na2CO3 at 150-600 degrees C for 2 h. The P2O5, content in I increased up to 61,72% with increasing calcination temp. and purity of the raw material. The phase compn. of I was studied by X-ray diffraction anal.
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页码：375 / 379
页数：5
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