| 发明名称 |
RE-POST PRECIPITATION CONTROL |
| 摘要 |
<p>REF. 5734 RE-POST PRECIPITATION CONTROL Prevention of re-post precipitation in concentrated wet process phosphoric acid by heating the acid at 55 to 85.degree.C. thereby to dissolve solids without substantial re-post precipitation.</p> |
| 申请公布号 |
CA1121972(A) |
申请公布日期 |
1982.04.20 |
| 申请号 |
CA19800353119 |
申请日期 |
1980.05.30 |
| 申请人 |
GRACE (W. R.) & CO. |
发明人 |
HILL, RICHARD N. |
| 分类号 |
C01B25/235;(IPC1-7):C01B25/22 |
主分类号 |
C01B25/235 |
| 代理机构 |
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代理人 |
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| 地址 |
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