<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Nationales Vorwort</title></section><section id="foreword.reg"><title>Vorwort</title></section><section id="introduction.reg"><title>Einleitung</title></section><section id="sub-1"><label>1</label><title>Anwendungsbereich</title></section><section id="sub-2"><label>2</label><title>Normative Verweisungen</title></section><section id="sub-3"><label>3</label><title>Kurzbeschreibung</title></section><section id="sub-4"><label>4</label><title>Reagenzien</title><section id="sub-4.1"><label>4.1</label><title>Analyt</title></section><section id="sub-4.2"><label>4.2</label><title>Chemikalien</title></section><section id="sub-4.3"><label>4.3</label><title>Lösungen</title><section id="sub-4.3.1"><label>4.3.1</label><title>Stammlösung von 11-Aminoundecansäure in Wasser (1,25 mg/ml)</title></section><section id="sub-4.3.2"><label>4.3.2</label><title>Stammlösung von 11-Aminoundecansäure in Isooctan (0,5 mg/ml)</title></section><section id="sub-4.3.3"><label>4.3.3</label><title>Verdünnte Standardlösung von 11-Aminoundecansäure in wässrigen Prüflebensmitteln (25 μg/ml)</title></section><section id="sub-4.3.4"><label>4.3.4</label><title>Phosphorsäure, 8,5 %</title></section><section id="sub-4.3.5"><label>4.3.5</label><title>Phosphatpufferlösung, 5 mM, pH 3</title></section><section id="sub-4.3.6"><label>4.3.6</label><title>Mobile HPLC-Phase</title></section><section id="sub-4.3.7"><label>4.3.7</label><title>Boratpufferlösung, 400 mM, pH 9</title></section><section id="sub-4.3.8"><label>4.3.8</label><title>Natriumhydroxidlösung, 18 %</title></section><section id="sub-4.3.9"><label>4.3.9</label><title>Fluorescamin-Lösung</title></section></section></section><section id="sub-5"><label>5</label><title>Prüfeinrichtungen</title><section id="sub-5.3"><label>5.3</label><title>Schüttelmaschine</title></section><section id="sub-5.4"><label>5.4</label><title>Vortex-Mischer</title></section></section><section id="sub-6"><label>6</label><title>Proben</title><section id="sub-6.1"><label>6.1</label><title>Allgemeines</title></section><section id="sub-6.2"><label>6.2</label><title>Vorbereitung der Untersuchungsproben</title><section id="sub-6.2.1"><label>6.2.1</label><title>Prüflebensmittel Wasser und 15 %iges (Volumenanteil) Ethanol in wässriger Lösung</title></section><section id="sub-6.2.2"><label>6.2.2</label><title>Prüflebensmittel 3 %ige (m/V) wässrige Essigsäure</title></section><section id="sub-6.2.3"><label>6.2.3</label><title>Isooctan</title></section><section id="sub-6.2.4"><label>6.2.4</label><title>Olivenöl</title></section><section id="sub-6.2.5"><label>6.2.5</label><title>Vorbereitung von Blindproben</title></section></section><section id="sub-6.3"><label>6.3</label><title>Vorbereitung von Kalibrierproben</title><section id="sub-6.3.1"><label>6.3.1</label><title>Kalibrierkurven bei wässrigen Prüflebensmitteln</title></section><section id="sub-6.3.2"><label>6.3.2</label><title>Kalibrierkurve bei Olivenöl und Isooctan</title></section></section></section><section id="sub-7"><label>7</label><title>Durchführung</title><section id="sub-7.1"><label>7.1</label><title>Allgemeines</title></section><section id="sub-7.2"><label>7.2</label><title>Probenbehandlung</title></section><section id="sub-7.3"><label>7.3</label><title>Durchführung der Bestimmung</title></section><section id="sub-7.4"><label>7.4</label><title>Quantitative Bestimmung</title></section><section id="sub-7.5"><label>7.5</label><title>Interferenzen bei der HPLC</title></section></section><section id="sub-8"><label>8</label><title>Angabe der Ergebnisse</title><section id="sub-8.1"><label>8.1</label><title>Berechnung der Konzentration von 11-Aminoundecansäure in den Untersuchungsproben</title><section id="sub-8.1.1"><label>8.1.1</label><title>Graphische Bestimmung</title></section><section id="sub-8.1.2"><label>8.1.2</label><title>Berechnung aus den Regressionsparametern</title></section><section id="sub-8.1.3"><label>8.1.3</label><title>Berechnung der spezifischen Migration</title></section></section><section id="sub-8.2"><label>8.2</label><title>Präzision</title><section id="sub-8.2.1"><label>8.2.1</label><title>Validierung</title></section><section id="sub-8.2.2"><label>8.2.2</label><title>Wiederholpräzision</title></section><section id="sub-8.2.3"><label>8.2.3</label><title>Nachweisgrenze</title></section></section></section><section id="sub-9"><label>9</label><title>Bestätigung</title><section id="sub-9.1"><label>9.1</label><title>Anforderungen</title></section><section id="sub-9.2"><label>9.2</label><title>Bestätigung</title></section></section><section id="sub-10"><label>10</label><title>Prüfbericht</title></section><section id="sub-annex.bibliography.reg"><title>Literaturhinweise</title></section></toc>