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Milk dienestrol adsorption material and preparation method and application thereof

A technology of diethylstilbestrol and adsorption material, which is applied in the field of materials science, can solve the problems of long penetration time, complicated operation, low penetration rate, etc., and achieves the effects of wide linear range, avoiding secondary pollution and easy operation.

Inactive Publication Date: 2019-02-19
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the disadvantages of long permeation time, expensive equipment, complicated operation and low permeation rate in the existing dienestrol permeation method, the purpose of the present invention is to provide an adsorption material for dienestrol in milk, a preparation method and its application

Method used

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  • Milk dienestrol adsorption material and preparation method and application thereof
  • Milk dienestrol adsorption material and preparation method and application thereof
  • Milk dienestrol adsorption material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 18 parts of 30% ionic liquid [Bmin]Cl and 62 parts of 15% (NH 4 ) 2 SO 4 Mix well to obtain a two-phase aqueous extraction system, then add 20 parts of ETA-PAM-Gel with a mass fraction of 45% to obtain a gel-like mixture, burn the above-mentioned gel-like mixture at 150°C for two hours, and then store it in The adsorption material was prepared by standing in a vacuum oven at 40° C. for 48 hours.

[0033] Take out the adsorbent material to capture dienestrol in milk, take out the adsorbent material to absorb dienestrol in milk, milk: water: adsorbent material = 4:4:1 (mass ratio) 27°C Stand still for 20min.

[0034] The permeability of the target before and after capture is recorded in Table 1.

Embodiment 2

[0036] The preparation method of this example is the same as that of Example 1, the only difference is that the type of ionic liquid in the preparation process is different. In this example, the ionic liquid is changed to [2-aemim][PF6](1-aminoethyl-3- Methylimidazole hexafluorophosphate), and the rest of the conditions were unchanged, and the permeability of the target before and after capture was recorded in Table 1.

Embodiment 3

[0038] The preparation method of this example is the same as Example 1, the only difference is that the type of ionic liquid in the preparation process is different, in this example, the ionic liquid is changed to [bmim][PF6](1-acetoxy-3-methylimidazole hexafluorophosphate), and the rest of the conditions were unchanged, and the permeability of the target before and after capture was recorded in Table 1.

[0039] It can be seen from the above examples and Table 1 that the permeability of dienestrol in the separation milk is respectively 99.5%, 85.6%, and 78.2% by changing the composition of the ionic liquid in the adsorption material, so [Bmin] When Cl was used as ionic liquid, the penetration rate of dienestrol in milk was the largest and the penetration effect was the best.

[0040] Depend on figure 1 , 2 And 3, it can be seen that changing the type of ionic liquid, the structure of the adsorbent material changes, and the capture rate of the original active adsorbent mater...

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Abstract

The invention discloses a milk dienestrol adsorption material and a preparation method and application thereof. The method includes: mixing 1-methyl-3-buthylimidazole chlorine salt, ammonium sulfate and polyacrylamide-ethanol amine grafted chelated gel, and burning at a temperature of 120-150 DEG C to obtain the adsorption material, wherein a mass ratio of 1-methyl-3-buthylimidazole chlorine saltto ammonium sulfate to polyacrylamide-ethanol amine grafted chelated gel is 1:7:2. The preparation method of the adsorption material is quick and convenient; by adoption of the special ionic liquid, salt and grafted chelated gel in preparation, the prepared adsorption material is high in targeting performance and collection efficiency. By adoption of the method, the recovery rate of dienestrol inmilk reaches 99.5%, wide linear range, low detection limit and low relative standard deviation are realized, and the national requirement on detection of dienestrol in milk can be met.

Description

technical field [0001] The invention belongs to the field of materials science, and in particular relates to an adsorption material for dienestrol in milk, a preparation method and an application thereof. Background technique [0002] Dienestrol is a compound that synthesizes estrogen. Estrogen can be used to treat diseases such as menopausal syndrome, dysfunctional uterine bleeding and breast pain. Therefore, it is very practical to determine the content of dienestrol easily and efficiently. value. [0003] At present, the methods for determining the content of dienestrol in the market include gas chromatography, which is a chromatographic technique for separating and analyzing compounds that are easy to volatilize without decomposition in organic chemistry. It has strong advantages in anti-matrix interference ability, accurate characterization and sensitivity, but there are still problems of high price and high requirements for storage and transportation conditions. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/30G01N1/34
CPCB01J20/0259B01J20/0281B01J20/22B01J20/264G01N1/34
Inventor 李宇亮杨鑫马天培朱棋徐帅
Owner CHANGAN UNIV
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