Determination of Ethanol in Soft Drinks by Gas Chromatography Using Headspace Single-Drop Microextraction

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Determination of Ethanol in Soft Drinks by Gas Chromatography Using Headspace Single-Drop Microextraction. / Родинков, Олег Васильевич ; Давлетбаева, Карина Насимовна.

в: Journal of Analytical Chemistry, Том 80, № 8, 01.08.2025, стр. 1354-1359.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{5ebef68daab74246bc9697010ef67f24,

title = "Determination of Ethanol in Soft Drinks by Gas Chromatography Using Headspace Single-Drop Microextraction",

abstract = "Abstract: A simple and a rapid procedure for the gas-chromatographic determination of ethanol in soft drinks is proposed (kvass, grape juice, non-alcoholic beer) based on the headspace microextraction of an analyte into a drop (1 μL) of distilled water located above the surface of the analyzed liquid on the tip of a needle of a standard microsyringe for gas chromatography. The limit of detection for ethanol is (3–6) × 10–5 vol %, the time of a replicate determination, including headspace extraction, does not exceed 5 min. 2-Propanol, not detected in the beverages, is used as an internal standard. The accuracy of the procedure is confirmed by the added–found method, the relative standard deviation does not exceed 7% at the ethanol concentration in the sample 10–2 vol %.",

keywords = "determination, ethanol, gas chromatography, headspace drop microextraction, non-alcoholic beverages",

author = "Родинков, {Олег Васильевич} and Давлетбаева, {Карина Насимовна}",

year = "2025",

month = aug,

day = "1",

doi = "10.1134/s1061934825700625",

language = "English",

volume = "80",

pages = "1354--1359",

journal = "Journal of Analytical Chemistry",

issn = "1061-9348",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "8",

}

RIS

TY - JOUR

T1 - Determination of Ethanol in Soft Drinks by Gas Chromatography Using Headspace Single-Drop Microextraction

AU - Родинков, Олег Васильевич

AU - Давлетбаева, Карина Насимовна

PY - 2025/8/1

Y1 - 2025/8/1

N2 - Abstract: A simple and a rapid procedure for the gas-chromatographic determination of ethanol in soft drinks is proposed (kvass, grape juice, non-alcoholic beer) based on the headspace microextraction of an analyte into a drop (1 μL) of distilled water located above the surface of the analyzed liquid on the tip of a needle of a standard microsyringe for gas chromatography. The limit of detection for ethanol is (3–6) × 10–5 vol %, the time of a replicate determination, including headspace extraction, does not exceed 5 min. 2-Propanol, not detected in the beverages, is used as an internal standard. The accuracy of the procedure is confirmed by the added–found method, the relative standard deviation does not exceed 7% at the ethanol concentration in the sample 10–2 vol %.

AB - Abstract: A simple and a rapid procedure for the gas-chromatographic determination of ethanol in soft drinks is proposed (kvass, grape juice, non-alcoholic beer) based on the headspace microextraction of an analyte into a drop (1 μL) of distilled water located above the surface of the analyzed liquid on the tip of a needle of a standard microsyringe for gas chromatography. The limit of detection for ethanol is (3–6) × 10–5 vol %, the time of a replicate determination, including headspace extraction, does not exceed 5 min. 2-Propanol, not detected in the beverages, is used as an internal standard. The accuracy of the procedure is confirmed by the added–found method, the relative standard deviation does not exceed 7% at the ethanol concentration in the sample 10–2 vol %.

KW - determination

KW - ethanol

KW - gas chromatography

KW - headspace drop microextraction

KW - non-alcoholic beverages

UR - https://www.mendeley.com/catalogue/49581de0-b33e-3b8d-a040-caa88374fe9a/

U2 - 10.1134/s1061934825700625

DO - 10.1134/s1061934825700625

M3 - Article

VL - 80

SP - 1354

EP - 1359

JO - Journal of Analytical Chemistry

JF - Journal of Analytical Chemistry

SN - 1061-9348

IS - 8

ER -

ID: 142803107