Thin-layer chromatography expander

A technology of thin-layer chromatography and developing plate, which is applied in the field of thin-layer chromatography developing instrument, can solve the problems of inconvenient addition of developing agent and/or desiccant, mixing of developing agent and desiccant

Inactive Publication Date: 2019-04-05
青海省药品检验检测院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a thin-layer chromatographic developing instrument, which can solve the problems that the thin-layer chromatographic developing instrument in the prior art is inconvenient to add developing agent and / or desiccant, and it is easy to mix developing agent and desiccant

Method used

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  • Thin-layer chromatography expander

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0044] Such as Figure 1 to Figure 7 As shown, a kind of thin-layer chromatographic developing apparatus provided by the embodiment of the present invention includes a developing box 10 and a developing plate 30, and the developing box 10 is divided into a first developing chamber for storing a developing agent and a first developing chamber for storing a developing agent by a partition tower 17. The second development chamber of the desiccant, the split tower 17 has a conical structure and is located in the middle of the development box 10, such as Figure 1 to Figure 4 The outer side of the development box 10 is provided with a first feeder 11 for adding a developing agent and a second feeder 12 for adding a desiccant, and the first feeder 11 and the second feeder 12 are respectively connected to two development room, such as Figure 7 As shown, the expansion case 10 is provided with a waterproof gas-permeable membrane 50, the waterproof gas-permeable membrane 50 is connect...

Embodiment 2

[0048] After the unfolding plate 30 in the prior art is fully unfolded, manual monitoring is required in order to take out the unfolding plate 30 in time, otherwise the developing agent will easily “run” over and cause the experiment to fail. Therefore, this embodiment also includes a plate unloading device, such as Figure 5 to Figure 9 As shown, the unloading device includes a motor 20, a drive shaft 21, a fixed gear 22, an adjustment gear 23, a fixed slide rail 14, an adjustment slide rail 15, and an adjustment shaft 16. 21 is located in the expansion box 10, the output shaft of the motor 20 passes through the side wall of the expansion box 10 and is connected to the drive shaft 21, the fixed gear 22 is coaxially fixed on the drive shaft 21, and the drive shaft 21 is provided with external splines. The adjustment gear 23 is provided with an internal spline that matches the external spline. The adjustment gear 23 is coaxially slidably driven and arranged on the drive shaft 21...

Embodiment 3

[0054] On the basis of Embodiment 2, in order to control the saturation time conveniently, it is convenient to automatically extend the expansion plate 30 into the developing agent after the saturation is completed, such as Figure 15 As shown, this embodiment also includes a control device, which includes a first processor and a timer, the first processor is connected to the timer in signal, and the motor 20 is connected to the first processor in signal. The first processor and the timer are installed on the outer side wall of the expansion box 10 . The saturation time is set by the timer. When the countdown is over, the timer sends a signal to the first processor, and the first processor receives the signal and controls the rotation of the motor 20, which drives the drive shaft 21 and then passes through the fixed gear 22, the adjustment gear 23 and the rack 31. Drive the unfolding plate 30 to extend into the developing agent. The length of its extension can be controlled by...

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Abstract

The invention discloses a thin-layer chromatography expander, and belongs to the field of chemical analysis instruments. The thin-layer chromatography expander comprises an expanding box and an expanding plate. The expanding box is divided into a first expanding chamber used for storing an expanding agent and a second expanding chamber used for storing a drying agent by a dividing tower. A feedingmachine used for adding the expanding agent and a second feeding machine used for adding the drying agent are arranged outside the expanding box. The first feeding machine and the second feeding machine separately penetrate through the two expanding chambers. An anti-water and ventilation film is arranged in the expanding box. The anti-water and ventilation film is connected to the inner lateralwalls of the dividing tower and the expanding box to seal and block the second expanding chamber. Through the first feeding machine and the second feeding machine, the expanding agent and / or the drying agent can be added without opening a box cover of the expanding box, and influence on experiment accuracy is avoided. The anti-water and ventilation film is adopted to separate the expanding agent and the drying agent, working of the drying agent is not influenced, the expanding agent or the drying agent is prevented from passing meanwhile, so that mixing of the agents is prevented.

Description

technical field [0001] The invention relates to the field of chemical analysis instruments, in particular to a thin-layer chromatography development instrument. Background technique [0002] Thin-layer chromatography, or thin-layer chromatography (thin-layer chromatography), uses a support coated on a thin-layer development plate as a stationary phase and a suitable solvent as a mobile phase to separate, identify and analyze mixed samples. A quantitative chromatographic separation technique. Thin-layer chromatography is an adsorption thin-layer chromatography separation method, which utilizes the different adsorption capabilities of each component to the same adsorbent, so that in the process of flowing the mobile phase (solvent) through the stationary phase (adsorbent), continuous generation of adsorption, Desorption, re-adsorption, and desorption again, so as to achieve the purpose of separating each component. Generally, components with different adsorption capacities w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/94
CPCG01N30/94
Inventor 乔亚玲刘亚蓉宋霞李永鹏逯雯洁海平骆桂法
Owner 青海省药品检验检测院
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