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1.发明公开
公开(公告)号：EP0230214A3
公开(公告)日：1989-02-01
申请号：EP86870190.5
申请日：1986-12-19
申请人： Monsanto Company
CPC分类号： C01B25/45
摘要： Substantially crystalline calcium sodium metaphosphate having a degree of crystallinity from about 60% to about 75% as determined from density and differential thermal analysis measurements is prepared by (a) forming a dry mixture of source materials for CaO, Na₂O, and P₂O₅ in proportions sufficient to provide a CaO/Na₂O/P₂O₅ mol percent ratio on a dry basis of about 29.0-34.0/16.0-18.0/50.0-53.0 and (b) heating the mixture at a temperature and for a time sufficient devolatilize the mixture and calcine the resulting mixture to form the substantially crystalline calcium sodium metaphosphate.
摘要翻译： 通过以下方法制备结晶度为约60％至约75％的基本结晶的偏磷酸钙：（a）以足够的比例形成CaO，Na 2 O和P 2 O 5的源材料的干混合物 以约29.0-34.0 / 16.0-18.0 / 50.0-53.0的干基计提供CaO / Na 2 O / P 2 O 5摩尔百分比，和（b）在温度和时间下将混合物加热使混合物充分脱挥发分并煅烧所得 混合物形成基本上结晶的偏磷酸钙。
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2.发明公开Process for the preparation of substantially crystalline calcium sodium metaphosphate 失效Verfahren zur Herstellung von im wesentlichen kristallinem Kalziumnatriummetaphosphat。
公开(公告)号：EP0230214A2
公开(公告)日：1987-07-29
申请号：EP86870190.5
申请日：1986-12-19
申请人： Monsanto Company
CPC分类号： C01B25/45
摘要： Substantially crystalline calcium sodium metaphosphate having a degree of crystallinity from about 60% to about 75% as determined from density and differential thermal analysis measurements is prepared by (a) forming a dry mixture of source materials for CaO, Na₂O, and P₂O₅ in proportions sufficient to provide a CaO/Na₂O/P₂O₅ mol percent ratio on a dry basis of about 29.0-34.0/16.0-18.0/50.0-53.0 and (b) heating the mixture at a temperature and for a time sufficient devolatilize the mixture and calcine the resulting mixture to form the substantially crystalline calcium sodium metaphosphate.
摘要翻译： 通过以下方法制备结晶度为约60％至约75％的基本结晶的偏磷酸钙：（a）以足够的比例形成CaO，Na 2 O和P 2 O 5的源材料的干混合物 以约29.0-34.0 / 16.0-18.0 / 50.0-53.0的干基计提供CaO / Na 2 O / P 2 O 5摩尔百分比，和（b）在温度和时间下将混合物加热使混合物充分脱挥发分并煅烧所得 混合物形成基本上结晶的偏磷酸钙。
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