Direct on-line continuous supercritical fluid extraction and HPLC of aqueous pyrethrins solutions.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081715%3A_____%2F03%3A25033001" target="_blank" >RIV/68081715:_____/03:25033001 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Direct on-line continuous supercritical fluid extraction and HPLC of aqueous pyrethrins solutions.

Original language description

A new method, employing supercritical fluid extraction (SFE) connected on-line with high performance liquid chromatography (HPLC), was developed for the determination of pyrethrins and piperonylbutoxide in aqueous solutions. The principle of the laboratory-made device for SFE is based on the low mutual solubility of water and supercritical (liquid) CO2. This device works in continuous mode that offers extraction of unlimited sample volumes. Different extraction temperatures and pressures were tested tofind optimum extraction conditions. The addition of organic modifier and inorganic salt to the water sample to increase extraction recovery was investigated. The method was evaluated and it was applied for the extraction of aqueous samples spiked with commercial insecticides. The working concentration range of the method was from the limit of quantification (0.1 gL-1) to the solubility of the analytes in water.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CB - Analytical chemistry, separation

OECD FORD branch

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Project

<a href="/en/project/IBS4031110" target="_blank" >IBS4031110: Research and development of the methodology and instrumentation for direct extraction of aqueous matrices by supercritical carbon dioxide</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2003

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Analytical Chemistry

ISSN

0003-2700

e-ISSN

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Volume of the periodical

75

Issue of the periodical within the volume

6

Country of publishing house

US - UNITED STATES

Number of pages

6

Pages from-to

1430-1435

UT code for WoS article

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EID of the result in the Scopus database

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