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
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[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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