Specific detection method of pentachlorophenol

A technology of pentachlorophenol and detection method, which is applied in the direction of analysis, chemiluminescence/bioluminescence, etc. by causing chemical reaction of materials, can solve the problem of simple, rapid, specific detection of pentachlorophenol, complicated pretreatment, and expensive instruments. and other problems, to achieve the effect of high sensitivity and specificity, simple sample processing, and short detection time.

Inactive Publication Date: 2012-07-11
HUNAN UNIV
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Problems solved by technology

These detection methods have complex sample pretreatment, complicated process, time-consuming and expens

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  • Specific detection method of pentachlorophenol
  • Specific detection method of pentachlorophenol
  • Specific detection method of pentachlorophenol

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the examples, rather than limiting the present invention.

[0029] Using the method of the present invention, the inventors have realized the simple, rapid and specific detection of pentachlorophenol in a certain soil in the Xiangjiang River.

[0030] 1. Extraction of pentachlorophenol in soil: Mix 1 g of soil from somewhere in the Xiangjiang River with 6 mL of n-hexane under ultrasonic conditions for 3 hours; 2 Dry with air until the remaining n-hexane content in the filtrate is 0.1mL-0.5mL, and then a concentrated sample is obtained for testing.

[0031] 2. Detection of pentachlorophenol in soil:

[0032] 1) Separately prepare S 2 o 8 2- solution, pentachlorophenol solution of various standard concentrations;

[0033] 2) Pentachlorophenol solutions of various standard concentrations, concentrated samples were mixed with S-containing 2 o 8 2- The solution is mixed and set aside;

[0034]...

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Abstract

The invention discloses a specific detection method of pentachlorophenol. Pentachlorophenol is an electron-rich body, can be adsorbed to the surface of C<*+>, is oxidized into tetrachloroquinone by cavity h<+>, consumes C<*+> quantum dots, and causes weakening of a quantum dot electroluminescence signal, thus detection of pentachlorophenol is realized by detecting the change of the quantum dot electroluminescence signal. Compared with the traditional method, the method has higher sensitivity and specificity; by adopting the method, as low as 0.001nmol/L of pentachlorophenol can be detected; at the same time, the detection time is short, the sample treatment is simple, and the whole detection process does not exceed 30min; and the method is a new method for simply, conveniently, rapidly and specifically detecting pentachlorophenol.

Description

Technical field: [0001] The invention relates to a new method for simple, fast and specific detection of pentachlorophenol based on the principle of quantum dot electroluminescence. Background technique: [0002] Pentachlorophenol is widely used as wood preservatives, herbicides, fungicides and insecticides. Pentachlorophenol is the most toxic of all phenols, and has strong carcinogenic, carcinogenic, and mutagenic effects; at the same time, due to its four significant characteristics of long-term residue, bioaccumulation, semi-volatility, and high toxicity, it is harmful to human health and The ecological environment poses a serious threat. Pentachlorophenol has been included in the blacklist of priority pollutants and persistent organic pollutants by the US Environmental Protection Agency and the State Environmental Protection Administration, and is a highly hazardous poison. Therefore, realizing the simple, rapid and specific detection of pentachlorophenol is of great si...

Claims

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Application Information

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IPC IPC(8): G01N21/76
Inventor 罗胜联杨善丽夏斌元唐艳红刘承斌梁杰生
Owner HUNAN UNIV
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