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Lupeose detection method based on foamy copper electrode

A detection method, the technology of stachyose, applied in the detection field, can solve the problems of slow quantification and troublesome detection methods, and achieve the effects of low cost, low equipment and cost requirements, and improved accuracy

Inactive Publication Date: 2014-10-01
ZHEJIANG GONGSHANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a fast, simple and accurate stachyose detection method based on foamed copper electrodes in order to solve the defects of troublesome and slow quantification of the existing detection methods for measuring stachyose content

Method used

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  • Lupeose detection method based on foamy copper electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Preparation method of foamed copper:

[0039]a) Soak the polyurethane foam material in the degreasing solution, the temperature is 45°C, and the soaking time is 18 minutes; the formula of the degreasing solution is: sodium hydroxide 50g / L, sodium phosphate 35g / L, sodium carbonate 20g / L and 5g / L detergent (purchased from Shenzhen Jichang Lubricating Oil Effective Company);

[0040] b) Coarsening: The polyurethane foam obtained in step a) is subjected to primary roughening at a temperature of 35°C for 15 minutes; then it is taken out and immersed in a secondary roughening solution at a temperature of 60°C for a time 35min; the formula of primary roughening solution is: 10g / L of potassium permanganate, 6mL / L of sulfuric acid and 2.7g / L of Re; the formula of secondary roughening solution is: 17g / L of copper chloride, 12mL / L sulfosalicylic acid and 9.1g / L rare earth element dysprosium;

[0041] c) Sensitization: immerse the polyurethane foam material obtained in step b) i...

Embodiment 2

[0048] Preparation method of foamed copper:

[0049] a) Soak the polyurethane foam material in the degreasing solution, the temperature is 55°C, and the soaking time is 10 minutes; the formula of the degreasing solution is: sodium hydroxide 60g / L, sodium phosphate 40g / L, sodium carbonate 23g / L and 5g / L detergent (purchased from Shenzhen Jichang Lubricating Oil Effective Company);

[0050] b) Coarsening: The polyurethane foam material obtained in step a) is subjected to primary roughening at a temperature of 40°C for 10 minutes; then it is taken out and immersed in a secondary roughening solution at a temperature of 70°C for a time of 10 minutes. 30min; the formula of primary roughening solution is: 11g / L potassium permanganate, 8mL / L sulfuric acid and 3g / L Re; the formula of secondary roughening solution is: 20g / L copper chloride, 15mL / L of sulfosalicylic acid and 10.8g / L of rare earth element holmium;

[0051] c) Sensitization: immerse the polyurethane foam material obtai...

Embodiment 3

[0058] Preparation method of foamed copper:

[0059] a) Soak the polyurethane foam material in the degreasing solution, the temperature is 65°C, and the soaking time is 8 minutes; the formula of the degreasing solution is: sodium hydroxide 75g / L, sodium phosphate 45g / L, sodium carbonate 25g / L and 5g / L detergent (purchased from Shenzhen Jichang Lubricating Oil Effective Company);

[0060] b) Coarsening: The polyurethane foam obtained in step a) is subjected to primary roughening at a temperature of 45°C for 7 minutes; then it is taken out and immersed in a secondary roughening solution at a temperature of 80°C for a time The formula of the primary roughening solution is: 12g / L of potassium permanganate, 10mL / L of sulfuric acid and 3.5g / L of Re; the formula of the secondary roughening solution is: 22g / L of copper chloride, 17mL / L sulfosalicylic acid and 11.2g / L rare earth element samarium;

[0061] c) Sensitization: immerse the polyurethane foam material obtained in step b) i...

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Abstract

The invention relates to a lupeose detection method based on a foamy copper electrode. The method comprises the steps: preparing a plurality of lupeose solutions with different concentrations, quantitatively detecting the lupeose solution by utilizing a CHI-660 electrochemical analysis workstation, and connecting a detection electrode of the electrochemical analysis workstation and a silk-screen printing electrode modified by the special prepared foamy copper material. The analysis process of the detection method is efficient, rapid and high in resolution, the analysis result is accurate, the requirement for the equipment and expense is low, the reproducibility is good, and the application prospect is good. The corrosion resistance can be improved through the prepared foamy copper; the foamy copper preparation process is rapid, raw materials are reusable, the preparation process is simple, the equipment condition is simple, the cost is low, and the production efficiency is high; the porosity of the prepared foamy copper is high, the specific surface area is large, and the weight is light.

Description

technical field [0001] The invention relates to a detection method, in particular to a fast, simple and accurate stachyose detection method based on foamed copper electrodes. [0002] Background technique [0003] Stachyose is a naturally occurring functional tetra-oligosaccharide that can significantly promote the proliferation of beneficial bacteria such as bifidobacteria. It is a branched heterooligosaccharide composed of galactose-galactose-glucose-fructose, pure The product is a white powder with a slightly sweet taste and a sweetness of 22% of that of sucrose. It has a pure taste without any bad taste or peculiar smell. Stachyose has a very obvious proliferation effect on beneficial bacteria such as bifidobacteria and lactobacilli in the human gastrointestinal tract, can quickly improve the environment in the human digestive tract, adjust the balance of microbial flora, and promote the formation of beneficial bacteria in the digestive tract. bacteria status, inhibit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/30C23C18/24C23C18/26C23C18/38C23C28/02C25D5/20C22C1/08
Inventor 惠国华叶笑金姣姣
Owner ZHEJIANG GONGSHANG UNIVERSITY
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