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De-watering and collecting tester facilitating laboratory sample analysis

A technology for sample analysis and test device, applied in sampling device, preparation of test samples, etc., can solve the problems of solvent volatilization loss, moisture removal failure, carrier falling off, etc., to prevent reagent volatilization, facilitate water removal and collection, The effect of speeding up the passage

Inactive Publication Date: 2014-08-06
NANJING INST OF GEOGRAPHY & LIMNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a solution for the practical problems of water removal of organic solvents in liquid-liquid extraction and collection of solutions to be analyzed in current chemical analysis, which are time-consuming, cannot be processed in large batches, and loads fall off, resulting in water removal failure and solvent volatilization loss. A Water Removal and Collection Test Apparatus for Facilitating Laboratory Sample Analysis

Method used

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  • De-watering and collecting tester facilitating laboratory sample analysis
  • De-watering and collecting tester facilitating laboratory sample analysis
  • De-watering and collecting tester facilitating laboratory sample analysis

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Embodiment Construction

[0018] The accompanying drawing discloses the specific structure of an embodiment of the present invention without limitation, and the present invention will be further described below in conjunction with the accompanying drawings.

[0019] Depend on figure 1 It can be seen that the present invention is composed of a cylindrical cavity 3, a tray assembly, a sealing partition 23 and a vacuum pump 20, wherein:

[0020] The tray assembly and the sealing partition 23 are located in the cylindrical cavity 3, the sealing partition 23 is sealed and fixedly connected with the inner wall of the cylindrical cavity 3, the top of the cylindrical cavity 3 is the sealing cover 2, and the gap between the sealing partition 23 and the sealing cover 2 A sealed cavity is formed between them.

[0021] The tray assembly includes a tray 9 and a lifting control. The sealing partition 23 is located under the tray 9. The bottom of the lifting control is fixed on the bottom of the cylindrical cavity 3...

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Abstract

The invention relates to a de-watering and collecting tester facilitating laboratory sample analysis. The tester comprises a cylindrical cavity, a tray assembly, a sealing separator plate and a vacuum pump, wherein the tray assembly and the sealing separator plate are located in the cylindrical cavity, the top of the cylindrical cavity is provided with a seal cover, the sealing separator plate and the seal cover forms an annular seal space, the tray assembly comprises a tray and a lifting control, the bottom of the lifting control is fixed at the bottom of the cylindrical cavity, a lifting unit of the lifting control is fixedly connected with the tray after penetrating the sealing separator plate, a sealing ring is provided at a junction part of the lifting unit and the sealing separator plate, a vacuum air exhaust pipe of the vacuum pump enters into a chamber from the cylindrical cavity at the lower part of the sealing separator plate and then penetrates the sealing separator plate, uniformly distributed sample bottle disposing holes are provided in the tray, filter column disposing holes respectively corresponding to the sample bottle disposing holes in the tray are provided in the seal cover, and matching sealing plugs or filter columns are arranged in the filter column disposing holes.

Description

technical field [0001] The invention relates to a test device for laboratory sample analysis, in particular to a test device for water removal and collection during sample analysis. Background technique [0002] Liquid-liquid extraction is often encountered in chemical analysis. The extracted organic reagent contains water, which affects the analysis and determination of the instrument, especially in the analysis of pesticides and fatty acids, which affects the gasification of drugs and brings errors to the analysis work. To remove the moisture in the organic solution to be analyzed, usually use a triangular funnel with absorbent cotton, place anhydrous sodium sulfate or other water-absorbing reagents on the absorbent cotton, and drop it by gravity, which is not only time-consuming, but also causes volatilization loss of volatile solvents. It causes changes in the concentration of the assay solution, and at the same time, the number of samples processed each time is also lim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/34G01N1/14
Inventor 曾庆飞谷孝鸿毛志刚
Owner NANJING INST OF GEOGRAPHY & LIMNOLOGY
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