Mobile phase receiving device for liquid chromatography
A holding device and liquid chromatography technology, which is applied in the field of mobile phase holding devices for liquid chromatography, can solve problems such as not easy to volatilize, and achieve the effect of simple structure and low production cost
Inactive Publication Date: 2015-07-01
JIANGSU XINRUN ENVIRONMENTAL SCI & TECH
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Problems solved by technology
[0002] The mobile phases commonly used in liquid chromatography are divided into polar, non-polar, volatile, non-volatile, etc. The solvent bottle holding the mobile phase is an open type that communicates with the air, and the open type mobile phase contains The device has little effect on the commonly used non-volatile neutral mobile phase, but for the alkaline mobile phase that easily absorbs carbon dioxide in the air and affects its pH value, and the volatile mobile phase with a large proportion of organic phase There are relatively large limitations for mobile phases and mobile phases containing volatile irritating components
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[0010] The present invention will be further described now in conjunction with accompanying drawing. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.
[0011] As shown in the accompanying drawing, a mobile phase holding device for liquid chromatography, the device includes a wide-mouth bottle for holding the mobile phase, a liquid inlet pipe 1 with a detachable joint, an elbow 2 with a valve, and a The plastic bag 3 of mouth and air outlet 31, described wide-mouth bottle comprises glass bottle body and the bottle stopper 4 that matches with glass bottle body, has on the bottle stopper 4 two matching with liquid inlet pipe 1 and elbow 2 respectively. A through hole, one end of the liquid inlet pipe 1 stretching into the wide-mouth bottle is fixedly connected with a glass sand core filter 5, and the valve of the elbow 2 is fixedl...
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The invention relates to a mobile phase receiving device for liquid chromatography. The mobile phase receiving device comprises a wide-mouth bottle for receiving a mobile phase, a liquid inlet pipe with a detachable joint, a bend pipe with a valve, and a plastic bag with an air inlet and a gas outlet. The wide-mouth bottle comprises a glass bottle main body and a bottle plug matching the glass bottle main body, the bottle plug is provided with two through holes respectively matching the liquid inlet pipe and the bend pipe, one end of the liquid inlet pipe stretching into the wide-mouth bottle is fixedly connected to a filter with a glass sand core, the air inlet of the plastic bag is fixedly connected to the valve of the bend pipe, and the volume of the plastic bag is a half of the volume of the wide-mouth bottle. The mobile phase receiving device has a simple structure, is convenient and practical, has a low making cost and is suitable for popularization application.
Description
technical field [0001] The invention relates to a mobile phase storage device for liquid chromatography. Background technique [0002] The mobile phases commonly used in liquid chromatography are divided into polar, non-polar, volatile, non-volatile, etc. The solvent bottle holding the mobile phase is an open type that communicates with the air, and the open type mobile phase contains The device has little effect on the commonly used non-volatile neutral mobile phase, but for the alkaline mobile phase that easily absorbs carbon dioxide in the air and affects its pH value, and the volatile mobile phase with a large proportion of organic phase There are greater limitations for mobile phases and mobile phases containing volatile irritating components. Therefore, it is a current research problem to develop a liquid chromatography mobile phase storage device suitable for volatile mobile phases or mobile phases that easily absorb carbon dioxide in the air and affect their pH valu...
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IPC IPC(8): B01J19/14
Inventor 黄亚东赵武新
Owner JIANGSU XINRUN ENVIRONMENTAL SCI & TECH