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发明名称
方解石系碳酸钙之制造方法
摘要
申请公布号
TW065102
申请公布日期
1985.02.16
申请号
TW07213292
申请日期
1983.09.23
申请人
丸尾钙股份有限公司
发明人
分类号
C01B31/24
主分类号
C01B31/24
代理机构
代理人
赖经臣 台北巿南京东路三段三四六号白宫企业大楼一一一二室
主权项
1.一种制造方解石系碳酸钙之方法,系使含有二氧化碳之气体与用天然石灰石所制成氢氧化钙为主要成份之水悬液反应而制造方解石系碳酸钙之方法,其特征为。在上述碳酸化反应时期,在添加Sr及/或Ba之条件下完成该碳酸化反应者。2.如请求专利部份第1项记载之制造方法,其中,Sr及/或Ba之添加量为所制成碳酸钙之0.005%以上,且该添加量与原料石灰石所含Sr份或Ba份之合计量为BrO.05%以上或BaO.01%以上者。
地址
日本
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