JPH01144858U - - Google Patents
Info
- Publication number
- JPH01144858U JPH01144858U JP4225488U JP4225488U JPH01144858U JP H01144858 U JPH01144858 U JP H01144858U JP 4225488 U JP4225488 U JP 4225488U JP 4225488 U JP4225488 U JP 4225488U JP H01144858 U JPH01144858 U JP H01144858U
- Authority
- JP
- Japan
- Prior art keywords
- column
- liquid pump
- drain valve
- communication
- state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
Description
第１図は一実施例を示す流路図、第２図は同実
施例で使用されるドレイン弁を示す断面図である
。
１……送液ポンプ、２……ドレイン弁、３……
インジエクタ、４……カラム、５……検出器、１
０……流路抵抗。
FIG. 1 is a flow path diagram showing one embodiment, and FIG. 2 is a sectional view showing a drain valve used in the same embodiment. 1...Liquid pump, 2...Drain valve, 3...
Injector, 4... Column, 5... Detector, 1
0...Flow path resistance.
Claims (1)
とカラムが導通し大気側が閉じられた状態と送液
ポンプとカラムと大気側とが導通した状態とに切
り換えられるドレイン弁が設けられた液体クロマ
トグラフにおいて、ドレイン弁とカラムの間に逆
流防止機構が設けられていることを特徴とする液
体クロマトグラフ。 A drain valve was provided in the flow path between the liquid pump and the column to switch between a state in which the liquid pump and the column were in communication and the atmosphere side was closed, and a state in which the liquid pump, the column, and the atmosphere side were in communication. A liquid chromatograph characterized in that a backflow prevention mechanism is provided between a drain valve and a column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4225488U JPH01144858U (en) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4225488U JPH01144858U (en) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01144858U true JPH01144858U (en) | 1989-10-04 |
Family
ID=31268669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4225488U Pending JPH01144858U (en) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01144858U (en) |
-
1988
- 1988-03-28 JP JP4225488U patent/JPH01144858U/ja active Pending