Liquid chromatography-ion chromatography combined system and method

An ion chromatography and liquid chromatography technology, used in material separation, measuring devices, instruments, etc., can solve the problems of simultaneous quantitative determination of inorganic components and organic components, and achieve quantitative analysis, time cost reduction, and easy operation. Effect

Active Publication Date: 2017-02-22
ZHEJIANG ACAD OF MEDICAL SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Although the ion chromatography-ion chromatography system and the liquid chromatography-liquid chromatography system respectively realize the quantitative analysis of inorganic components and organic components in water, they cannot realize the quantitative analysis of inorganic components through a single injection. Simultaneous quantitative determination of organic components

Method used

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  • Liquid chromatography-ion chromatography combined system and method
  • Liquid chromatography-ion chromatography combined system and method
  • Liquid chromatography-ion chromatography combined system and method

Examples

Experimental program
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Embodiment 1

[0065] In this embodiment, nitroanilines, ammonia, and inorganic ions in environmental water samples are simultaneously analyzed and determined.

[0066] 1. Instruments and reagents used:

[0067] The sampling device uses an online solid phase extraction column: Shimadzu Corporation, 6*50mm, particle size: 5μm, the sampler 2 uses the WPS3000TSL automatic temperature control sampler, and the sampler 2 is equipped with a ternary gradient pump 1.

[0068] Ten-way valve. Chromeleon 7.2 Chameleon Chromatography Management Software.

[0069] The liquid chromatographic system adopts the dual ternary liquid chromatography of Thermo Company in the United States. The dual ternary liquid chromatography of Thermo Company in the United States includes an analytical column 6, an ultraviolet detector 8 and a ternary gradient pump 7. Another enrichment column 5 can be connected.

[0070] The ion chromatographic system adopts Dionex ICS-2100 ion chromatograph (American Thermo Company), Dionex ICS-2100...

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Abstract

The invention discloses a liquid chromatography-ion chromatography combined system and a determination method; the liquid chromatography-ion chromatography combined system comprises a sample introduction device, a liquid chromatography system, an ion chromatography system, and a ten-way valve. The sample introduction device is connected with the liquid chromatography system and the ion chromatography system through the ten-way valve. The liquid chromatography-ion chromatography combined system realizes combination of ion chromatography and liquid chromatography, solves the problems that inorganic components and organic components cannot be simultaneously quantitatively analyzed at present, and greatly reduces the cost of time; at the same time, with application of an online solid phase extraction column, samples can be directly introduced without any pretreatment, and the operation is more convenient. The method for simultaneous determination of organic compounds and inorganic compounds in water by the liquid chromatography-ion chromatography combined system is simple to operate, and can be used for quantitative analysis of the inorganic components and the organic components in complex water samples at the same time.

Description

Technical field [0001] The invention relates to the field of liquid chromatography-ion chromatography combined systems, in particular to a liquid chromatography-ion chromatography combined system and a method for simultaneously quantitatively determining organic and inorganic substances in water. Background technique [0002] In recent years, with the rapid economic development, the discharge of domestic sewage and industrial wastewater has also increased. The inorganic and organic pollutants contained in the wastewater have disrupted the original ecological balance, leading to deterioration of water quality, and increasing pressure on the water environment. It is particularly important to establish appropriate analysis and testing techniques to accurately and quantitatively detect and analyze the pollutants contained in waste water discharged into the environment. [0003] In water quality monitoring, the determination of the content of inorganic and organic pollutants is the foc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/06G01N30/08G01N30/20
CPCG01N30/02G01N30/06G01N30/08G01N30/20G01N2030/062G01N2030/201
Inventor 朱海豹钱亚玲唐红芳陈梅兰刘丹华阮征王晗张海娟潘吉王佳虹
Owner ZHEJIANG ACAD OF MEDICAL SCI
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