发明名称 |
METHOD FOR PRODUCING HUMIC ACIDS |
摘要 |
<p>The present invention relates to the field of producing humic acids from peat by using alkaline extraction of them with potassium carbonate. The amount of peat is treated with oxidising agent giving oxygen during extraction-process. 2,5-10% solution of potassium carbonate is used for extraction at the temperature of 60 to 100 C.</p> |
申请公布号 |
LV12570(B) |
申请公布日期 |
2001.01.20 |
申请号 |
LV19990000082 |
申请日期 |
1999.05.17 |
申请人 |
LATVIJAS UNIVERSITATE |
发明人 |
KLAVINS,MARIS;SERZANE,JUDITE |
分类号 |
C07H5/00;(IPC1-7):C07H5/00 |
主分类号 |
C07H5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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