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Full-automatic separation system and application of full-automatic separation system in separation of polar components in edible oil

An automatic separation and fully automatic technology, applied in material separation, analysis materials, measuring devices, etc., can solve the problems of lag in separation effect verification, unstable results, waste of manpower, etc., to save manual calibration, avoid time and reagents, solve Verify the effect of lag

Active Publication Date: 2015-03-11
天津博纳艾杰尔科技有限公司
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AI Technical Summary

Problems solved by technology

However, because traditional column chromatography relies entirely on manual operation, manual control of the flow rate not only wastes manpower, but also leads to unstable results and poor reproducibility; after the separation of column chromatography, it is necessary to rely on TLC to verify the separation effect, which is very cumbersome. , it often takes repeated operations several times to achieve the ideal separation effect, resulting in a lag in the verification of the separation effect; in addition, the traditional method of pre-packing column treatment requires one day to dry the silica gel particles to control the water content, and then manually pack the column for half an hour , the on-site control of the column chromatography separation process takes 1 hour, and it takes half an hour to verify the separation effect by TLC, which is very time-consuming

Method used

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  • Full-automatic separation system and application of full-automatic separation system in separation of polar components in edible oil
  • Full-automatic separation system and application of full-automatic separation system in separation of polar components in edible oil
  • Full-automatic separation system and application of full-automatic separation system in separation of polar components in edible oil

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Embodiment approach

[0097] 1 Sample preparation

[0098] 1.1 Remove impurities

[0099] The sample used as the test sample should be liquid, clear, free of sediment and well mixed. If the sample is not clear and has precipitation, put the oil in a water bath or a constant temperature drying oven at 50°C, heat the oil to 50°C and shake it sufficiently to melt possible oil crystals. If the oil sample becomes clear without precipitation at this time, it can be used as a sample, otherwise, the oil should be placed in a constant temperature drying oven at 50°C, and the insoluble impurities should be filtered with filter paper, and the filtered clear liquid oil should be used as a sample. In order to prevent oil oxidation, the filtration process should be completed as soon as possible.

[0100] For samples with a freezing point higher than 50°C or containing oil components with a freezing point higher than 50°C, the oil must be placed in a water bath or a constant temperature drying oven about 10°C h...

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Abstract

The invention provides a full-automatic separation system and application of the full-automatic separation system in separation of polar components in edible oil. The full-automatic separation system comprises an automatic sample injection system 100, a column switching system 200, an automatic separation system 300 and a temperature control system 400. When the device disclosed by the invention is used for separating the polar components in the edible oil, automatic sample injection and automatic chromatographic column switching can be realized; multiple samples can be continuously treated, and high-flux quick separation is realized; meanwhile, full mechanical control is performed on sample injection, column switching and separated component collection, so that influence on an experiment due to manmade factors is avoided; by ultraviolet online monitoring and automatic flowing speed correction, a detection result is accurate and stable.

Description

technical field [0001] The invention relates to the field of chemical separation and detection, in particular to a fully automatic separation system and its application in the separation of edible oil polar components. technical background [0002] At present, manual separation is mostly used for the separation of polar components in test samples. For example, the method for detecting polar components of edible oil is mainly in accordance with "GB / T 5009.202-2003 Polarity of edible vegetable oil during frying". Determination of Component (PC), separated by silica gel column chromatography, TLC detection of polar components in oil. The principle is: when the fried oil passes through the silica gel column that has absorbed a certain amount of water, the triglyceride (that is, the oil that has not been changed by frying) is first eluted and flows out under the elution of the mobile phase. Spectrum column; Wipe away eluent, weigh, be the quality of non-polar component, subtract...

Claims

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Application Information

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IPC IPC(8): G01N30/88G01N30/12
Inventor 汪群杰方惠如冯俊雄王鹏飞温金敏
Owner 天津博纳艾杰尔科技有限公司
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