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Preparation method of clenobuterol hydrochloride electrochemical sensor and application thereof

A sensor and electrochemical technology, applied in the field of preparation of Clenbuterol hydrochloride electrochemical sensors

Inactive Publication Date: 2009-09-16
WENZHOU MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the acetylene black of nano-scale particles is used as the base material of the electrode to make an electrochemical sensor, and the synergistic effect of the anionic surfactant sodium dodecylbenzenesulfonate (SDBS) is used to determine the Clent hydrochloride in the animal urine. Luo content has not been reported at home and abroad

Method used

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Experimental program
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Embodiment Construction

[0010] 1. Instruments and reagents

[0011] Electrochemical analyzer CHI650b (Shanghai Chenhua Instrument Company); three-electrode working system: saturated calomel electrode (SCE) as reference electrode, platinum wire electrode as counter electrode, acetylene black electrode as working electrode, experimental data and voltammogram All are collected, processed and recorded by computer.

[0012] Acetylene black was provided by the Electrochemical Laboratory of Wuhan University, and the standard clenbuterol hydrochloride (Chinese Institute for the Control of Pharmaceutical and Biological Products) was prepared with ultrapure water to make 1.0×10 -2 The mol / L stock solution was stored at room temperature. Sodium dodecylbenzenesulfonate (SDBS) (product of Shanghai Reagent Factory) and other reagents used (product of Shanghai Reagent Factory) were of analytical grade and used directly without treatment. Experimental water was double distilled water.

[0013] 2. Preparation of a...

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Abstract

The invention provides a preparation method of clenobuterol hydrochloride electrochemical sensor and application thereof. Nano-acetylene black and paraffin oil according to the proportion of 100 mg to 150 [mu]L are mixed uniformly in a mortar and filled in a cavity of self-made polytetrafluoroethylene electrodes ([phi] is equal to 2.0 mm), and then lightly smoothed on weighing paper to prepare an electrochemical sensor; the electrochemical sensor can be successfully used for determining the content of clenobuterol hydrochloride in animal urine with the synergistic reaction of anionic surface active agent sodium dodecylbenzene sulfonate (SDBS); and the results show that the invention has the characteristics of low cost, high flexibility, low detection limit, good repeatability, simple and convenient operation, handiness, and the like.

Description

technical field [0001] The invention provides a preparation method and application of a clenbuterol hydrochloride electrochemical sensor. Mix nano-acetylene black and paraffin oil in a mortar at a ratio of 100mg: 150μL, fill it into the cavity of a self-made polytetrafluoroethylene electrode (φ = 2.0mm), and then gently grind it on weighing paper Ping, made an electrochemical sensor, the electrochemical sensor can be successfully used in the determination of clenbuterol hydrochloride in animal urine under the synergy of the anionic surfactant sodium dodecylbenzenesulfonate (SDBS), the results show that It has the advantages of low cost, high sensitivity, low detection limit, good reproducibility, simple and fast operation, etc. Background technique [0002] Clenbuterol Hydrochloride (CLB for short), commonly known as clenbuterol, synonymous as clenbuterol, ammonia clenbuterol, chemical name α-[(tert-butylamino)methyl]-4-amino-3,5- Dichlorobenzyl alcohol hydrochloride, a be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/30C07C211/52
Inventor 杨小凤林丽杨丽珠仇佩虹
Owner WENZHOU MEDICAL UNIV