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Method for analyzing and distinguishing sea surface excessive oil by ozone oxidization deriving liquid chromatogram coupling technique

A technology of ozone oxidation and combined use technology, applied in the field of environmental chemical monitoring, can solve the problems of long analysis duration, large equipment volume, harsh conditions, etc. Effect

Inactive Publication Date: 2008-10-29
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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Problems solved by technology

[0007] The invention provides a method for analyzing and identifying sea oil spilled by liquid chromatography coupled with ozone oxidation. Large volume, especially secondary pollution and other problems

Method used

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  • Method for analyzing and distinguishing sea surface excessive oil by ozone oxidization deriving liquid chromatogram coupling technique
  • Method for analyzing and distinguishing sea surface excessive oil by ozone oxidization deriving liquid chromatogram coupling technique

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Embodiment Construction

[0033] The inventive method carries out according to the following steps by detection device:

[0034] (1). Utilize the ozone generator 6 to generate ozone, the concentration of ozone is 2mg / L, and send it into the ozone oxidation derivation reaction chamber 5 by the peristaltic pump 7 at a flow rate of 100ml / min, and the ozone gas passes through the porous material-Teflon Long 8 is dispersed into the ozone oxidation derivation reaction chamber 5;

[0035] (2). The oil spill sample 1 is input to the oil spill sample extraction device 3 via the peristaltic pump 2, and the extraction stops after 5 minutes;

[0036](3). Through the peristaltic pump 4, the extracted extract is transported to the ozone oxidation derivation reaction chamber 5 and the ozone is mixed in the reaction chamber 5 to undergo an oxidative degradation reaction. In order to ensure that the ozone and the extract can be fully mixed, a porous material is used - Teflon 8, which makes ozone gas emerge from the mi...

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Abstract

The invention provides a method for analyzing and identifying the overflowing oil on the sea by using the ozone oxidation derivation liquid chromatographic coupling technology; the method adopts the pre-column derivatization technology, namely the ozone oxidation derivation process to lead the structural characteristic of an oil fingerprint unit to be obvious without being effected by weathering and biodegradation, and has identical unit information and high representation and high reliability; the liquid chromatography is characterized by high speed, high efficiency, high sensitivity, good repeatability and simple structure, etc.; then a differential refraction detector and a ultraviolet absorption detector are provided so as to obtain an oil fingerprint-chromatogram with detailed oil fingerprint unit information by separating analysis of the ozone oxidation derivation technology coupled with the liquid chromatographic technology; the analysis and identification for the types of the overflowing oil and the overflowing oil source can be carried out by comparing the oil fingerprint-chromatograms of the overflowing oil sample, the overflowing oil source and standard oil products.

Description

technical field [0001] The invention relates to the technical field of environmental chemical monitoring, in particular to a method for analyzing and identifying oil spills on the sea surface using an ozone oxidation derivative liquid chromatography technique. Background technique [0002] In recent years, with the continuous development of offshore oil exploration and water oil transportation, oil spills at sea have occurred frequently, seriously threatening the ecological environment of the ocean and land. In order to protect the marine environment, various methods must be adopted in time to control oil spills Therefore, it is of great significance to identify the types of sea oil spills and clarify the pollution sources of oil spills for the protection of marine environmental resources. [0003] The physical properties and chemical composition information of sea oil spills are as unique as human fingerprints, which are called "oil fingerprints". The "oil fingerprints" of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/88G01N30/06G01N30/20
Inventor 刘岩王军成任国兴高杨杜立彬徐珊珊张颖颖张颖石小梅尤小华孙继昌侯广利
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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