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Method for determining content of p-acetamidophenol by virtue of boron-doped diamond film electrode

A kind of acetaminophen, diamond thin film technology

Inactive Publication Date: 2015-03-25
HARBIN UNIV OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the problems of narrow linear range, sample pretreatment and complex and tedious operation existing in the existing method for measuring acetaminophen, and provides a method for measuring the content of acetaminophen by using a boron-doped diamond film electrode

Method used

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  • Method for determining content of p-acetamidophenol by virtue of boron-doped diamond film electrode
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  • Method for determining content of p-acetamidophenol by virtue of boron-doped diamond film electrode

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specific Embodiment approach 1

[0015] Specific embodiment 1: A method of using a boron-doped diamond film electrode to measure the content of acetaminophen in this embodiment is carried out according to the following steps

[0016] 1. Preparation of boron-doped diamond film electrodes:

[0017] (1) Rinse the single crystal Si sheet as the base material in a hydrofluoric acid solution with a mass concentration of 1% to 5% to remove the natural oxide layer on the surface, then clean the single crystal Si sheet with distilled water, and then use The diamond grinding paste is used to grind the single crystal Si wafer until uniform scratches are formed on the surface of the single crystal Si wafer, then cleaned with distilled water and then dried to obtain a dried single crystal Si wafer;

[0018] (2) Place the dried single crystal Si wafer in a DC plasma chemical vapor deposition system, and pass CH 4 and H 2 , and controls the CH 4 The flow rate is 2sccm~8sccm, H 2 The flow rate is 150sccm ~ 200sccm, adjus...

specific Embodiment approach 2

[0025] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the CH described in step one (2) 4 The purity is 99.999%. Other steps and parameters are the same as those in the first embodiment.

specific Embodiment approach 3

[0026] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the H described in step one (2) 2 The purity is 99.999%. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a method for determining the content of p-acetamidophenol by virtue of a boron-doped diamond film electrode and relates to a method for determining the content of p-acetamidophenol. The method is used for solving the problems of narrow linear range, need of sample pretreatment and complex and cumbersome operation in the existing method for determining the content of p-acetamidophenol. The method comprises the following steps: firstly, preparing the boron-doped diamond film electrode; secondly, preparing a standard solution; thirdly, establishing a standard curve; and fourthly, determining the content of p-acetamidophenol in a to-be-detected solution. The method has the advantages of wide linear range, high accuracy, good reproducibility, no need of expensive reagents and long service life of the electrode and the determination operations are relatively simple and fast.

Description

technical field [0001] The invention relates to a method for measuring the content of acetaminophen. Background technique [0002] Acetaminophen is an effective antipyretic and analgesic drug, which is often used to reduce fever and relieve mild headaches, but overdose will cause more and more serious adverse reactions. For example, when it acts on the bone marrow hematopoietic system, it may cause Such as thrombocytopenic purpura, leukemia and so on. The toxic and side effects on the liver and kidneys are also very obvious. Therefore it is very important to control the content of acetaminophen in the medicine. Traditional methods for determining the concentration of acetaminophen include UV-Vis spectrophotometry, liquid chromatography, chemiluminescence, capillary electrophoresis, amperometric injection analysis, colorimetry, titration measurement, fluid injection analysis, etc. Among them, the linear range of UV-visible spectrophotometry is relatively narrow, and the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/48G01N27/30
Inventor 吕江维王立张文君任君刚刘华石乔晓溪
Owner HARBIN UNIV OF COMMERCE
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