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Quick screening detection method for PPCPs pollutants in household drinking water

A technology of drinking water and detection method, applied in the field of drinking water detection, can solve the problems of incomplete detection, low analytical throughput, low sensitivity, etc., and achieve the effect of comprehensive treatment, high sensitivity and high recovery rate

Inactive Publication Date: 2018-11-27
陈溪
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Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of PPCPs pollutants in drinking water for the problems of low analytical throughput, incomplete detection, low efficiency, poor accuracy and low sensitivity in the detection technology and method of PPCPs pollutants in drinking water. Rapid detection method for pollutants, involving 14 categories, covering 112 PPCPs pollutants

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  • Quick screening detection method for PPCPs pollutants in household drinking water
  • Quick screening detection method for PPCPs pollutants in household drinking water
  • Quick screening detection method for PPCPs pollutants in household drinking water

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Embodiment Construction

[0045] The present invention will be described in further detail below in conjunction with specific examples, but the present invention is not limited to the specific examples.

[0046] Rapid screening and detection method for PPCPs pollutants in drinking water,

[0047] 1.1 Main instruments and equipment

[0048] Ultra-high performance liquid chromatography-quadrupole / electrostatic field orbitrap high-resolution mass spectrometry (Q-Exactive plus, ThermoScientific, USA), equipped with a heatable electrospray ionization source (HESI); high-pressure liquid chromatography (DionexUltiMate3000, USA); Solid phase extraction device (Supelco-24, USA); Nitrogen blowing instrument (Organomation N-EVAP 112, USA);

[0049] 1.2 Main reagents and consumables

[0050] Methanol (HPLC grade, German Merk Company); formic acid (HPLC grade, Shanghai Anpu Scientific Instrument Co., Ltd.); EDTA disodium salt dehydrate (EDTA disodium salt dehydrate C10H14N2Na2O8 2H2O) (purity 99.999%, Macklin); ...

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Abstract

The invention relates to the field of analytical chemistry and food safety, in particular to a detection method of drinking water. A quick screening detection method for PPCPs pollutants in householddrinking water establishes a database of 112 PPCPs based on retention time and precise molecular weights of parent ions and daughter ions for confirming and screening target analytes and achieves accurate quantification based on a primary patent ion extraction peak area. The method comprises the following steps: preparing a standard liquid of 112 PPCPs compounds; extracting a sample; purifying thesample; carrying out chromatographic analysis; carrying out mass spectrometry analysis; establishing a screening database; and processing data. The method is quick, accurate, high in sensitivity andwide in screening range, provides a powerful technical means for monitoring risks of water quality, and can provide an effective guarantee for food safety supervision.

Description

technical field [0001] The invention relates to the fields of analytical chemistry and food safety, in particular to a detection method for drinking water. Background technique [0002] Pharmaceutical and Personal Care Products (PPCPs) have been used in human and animal disease treatment and personal hygiene for many years. However, as an "emerging environmental pollutant", it is increasingly causing widespread attention of the people. (Zhang Panwei, Zhou Huaidong, etc. Environmental Science. 2017.38(5):1852-1862), its sources are extensive, including various prescription drugs, over-the-counter drugs, cosmetics and cleaning products, etc., usually called "pseudo-persistent" pollutants ,(Q Yan, X Gao, et al. Chemospere, 2014, 99(3): 160-170) PPCPs mainly enter the environment through sewage treatment plant drainage, and generally enter the human body through drinking water, becoming the most direct and most direct way for the human body to be exposed to PPCPs. One of the m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/06
CPCG01N30/02G01N30/06
Inventor 陈溪吴慈褚莹倩沈葆真彭博刘梦遥
Owner 陈溪
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