SIST EN 16466-3:2013 PDF

Name: SIST EN 16466-3:2013 — Vinegar - Isotopic analysis of acetic acid and water - Part 3: 18O-IRMS analysis of water in wine vinegar
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Vinegar - Isotopic analysis of acetic acid and water - Part 3: 18O-IRMS analysis of water in wine vinegar

Название (английский):

SIST EN 16466-3:2013

Vinegar - Isotopic analysis of acetic acid and water - Part 3: 18O-IRMS analysis of water in wine vinegar

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 22 мая 2013 г.
ICS:: 67.220.20
Технический комитет:: KŽP - Agricultural food products

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Описание (английский):

This European standard specifies an isotopic method to control the authenticity of wine vinegar. This method is applicable on wine vinegar in order to characterize the 18O/16O ratio of water, and allows differentiating wine vinegar from vinegars made from raisins or alcohol vinegar. The Oxygen 18 isotopic analysis of water from vinegar is based on a similar method already normalised for wine analysis [2].

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты SIST

Overview

SIST EN 16466-3:2013 is a European Standard developed by CEN that specifies a precise isotopic analysis method for verifying the authenticity of wine vinegar. It focuses on the measurement of the oxygen isotope ratio (^18O/^16O) in the water component of wine vinegar using Isotope Ratio Mass Spectrometry (IRMS). By analyzing the ^18O isotopic composition of water in vinegar, this standard facilitates differentiation between genuine wine vinegar and vinegars produced from dried grapes (raisins) or alcohol vinegar. This method is essential for quality control, regulatory compliance, and fraud prevention within the vinegar industry.

Key Topics

Isotopic Analysis of Water in Vinegar The 18O-IRMS method quantifies the ^18O/^16O ratio in water extracted from vinegar. This isotopic signature is a reliable indicator for differentiating between authentic wine vinegar and vinegars produced via alternative processes such as fermentation of dried grapes or alcohol vinegar.

Equilibration with Carbon Dioxide The isotopic exchange takes place by equilibrating water extracts with high-purity carbon dioxide gas, which then undergoes IRMS analysis. This process ensures accurate and reproducible measurements of oxygen isotope ratios.

Measurement Techniques The standard covers various procedural options including manual equilibration, automated exchange apparatus, and systems coupled with continuous flow IRMS. This flexibility allows labs to adapt to different instrumentation platforms while maintaining measurement precision.

Precision and Reproducibility Collaborative studies underpinning the standard report repeatability limits of about 0.15‰ and reproducibility limits of approximately 0.59‰ for δ^18O values, ensuring high reliability of results for compliance and authenticity assessments.

Reporting Standards The test report must include sample identification, method references, raw and calculated isotopic results (expressed in δ^18O relative to international standards such as V.SMOW2), and any relevant testing conditions or anomalies observed.

Applications

Authenticity Verification Ensures that the wine vinegar complies with EU regulations by confirming it is derived from acetous fermentation of wine rather than diluted or adulterated sources.

Quality Control in Vinegar Production Producers use the isotopic analysis to maintain consistent product quality and authenticate raw materials by identifying deviations from expected isotope ratios.

Regulatory Compliance and Fraud Prevention Authorities rely on SIST EN 16466-3:2013 methodology to detect mislabeled or counterfeit vinegars, protecting consumers and legitimate producers.

Research and Development Laboratories involved in food analysis, enology, and agro-food sciences benefit from the standard's detailed procedures for oxygen isotope ratio determination in aqueous vinegar matrices.

Related Standards

EN 16466-1:2013 - 2H-NMR analysis of acetic acid in vinegar

EN 16466-2:2013 - 13C-IRMS analysis of acetic acid in vinegar

Wine Analysis Standards - Isotopic analysis methods standardized for wine water, serving as the basis for the vinegar water analysis described in SIST EN 16466-3:2013

These complementary parts collectively provide comprehensive isotopic characterization methods for vinegar authenticity control, spanning analyses of both the acetic acid and water components.

By adopting SIST EN 16466-3:2013, laboratories gain a robust, validated scientific framework to authenticate wine vinegar, supporting regulatory compliance and enhancing market transparency through advanced ^18O isotopic water analysis.

SIST EN 16466-3:2013 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

EN 16466-3:2013

Vinegar - Isotopic analysis of acetic acid and water - Part 3: 18O-IRMS analysis of water in wine vinegar

EN 16466-2:2013

Vinegar - Isotopic analysis of acetic acid and water - Part 2: 13C-IRMS analysis of acetic acid

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