Automatic low-temperature double-column chromatography analysis system and method for atmospheric volatile organic compounds

Automatic low-temperature double-column chromatography analysis system and method for atmospheric volatile organic compounds

The invention discloses a low-temperature double-column chromatography automatic analysis system and method for atmospheric volatile organic compounds. The system comprises a signal acquisition and processing control unit, and a sampling unit, a concentration and purification unit, a sample introduc...

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Hauptverfasser: HUANG YUN, BIAN JUNYANG, JIANG MINGLING, HE SONGHAN, ZHAO ZHILONG, TAN TAO, JIANG JIAFENG, YIN HUI
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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container_start_page
container_title
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creator HUANG YUN
BIAN JUNYANG
JIANG MINGLING
HE SONGHAN
ZHAO ZHILONG
TAN TAO
JIANG JIAFENG
YIN HUI
description The invention discloses a low-temperature double-column chromatography automatic analysis system and method for atmospheric volatile organic compounds. The system comprises a signal acquisition and processing control unit, and a sampling unit, a concentration and purification unit, a sample introduction unit, a low-temperature chromatographic separation unit and a detection unit which are connected with the signal acquisition and processing control unit, atmospheric volatile organic compounds are sequentially controlled to be subjected to low-temperature dehydration and trapping, under the given condition, the adsorption behavior of a target object in a trapping module meets a chromatographic rate equation, no penetration exists, and the trapping efficiency is about 100%. After secondary concentration is carried out through a low-temperature chromatographic column cold trap, the whole volume is fed into a low-temperature chromatographic column incubator through a Y port, C2-C12 target objects are separated by
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Automatic low-temperature double-column chromatography analysis system and method for atmospheric volatile organic compounds
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