发明名称 |
Chromatographic separation apparatus |
摘要 |
A chromatographic separation apparatus having a packed column comprising a packed layer, a retained liquid layer above the packed layer, and liquid-feed piping connected to a space above the retained liquid layer and having a flow controller: comprising flow-liquid discharge piping being connected to the bottom of the packed column and having a flow controller, a liquid-level detecting element being provided at the top of the packed column, and a plurality of interface-detecting elements being provided at the inside wall of the packed column; and electrical connection being made so that a first electric signal of the height of the packed layer is transmitted from the interface-detecting element to a controller constituted of a signal converter, an electric current generator, an addition-computing element, and an adjuster; and a second electric signal is transferred from the liquid-level detector provided at the top of the column to the adjuster; and output signal is transmitted from the adjuster to the first controller of the liquid-feed piping and the second controller of the discharging piping.
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申请公布号 |
US5061371(A) |
申请公布日期 |
1991.10.29 |
申请号 |
US19900505396 |
申请日期 |
1990.04.06 |
申请人 |
NIPPON RENSUI CO.;FUJISAWA PHARMACEUTICAL CO., LTD. |
发明人 |
TABATA, TAKESHI;IDE, SOICHIRO;MORO, AKIHIKO;NAGATANI, RYUJI |
分类号 |
B01D15/08 |
主分类号 |
B01D15/08 |
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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