<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Vorwort</title></section><section id="introduction.nat"><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>Begriffe und Abkürzungen</title><section id="sub-3.1"><label>3.1</label><title>Begriffe</title><section id="sub-3.1.1"><label>3.1.1</label><title>Vorläufersubstanz</title></section><section id="sub-3.1.2"><label>3.1.2</label><title>TOP-Assay</title></section></section><section id="sub-3.2"><label>3.2</label><title>Abkürzungen</title></section></section><section id="sub-4"><label>4</label><title>Kurzbeschreibung des Verfahrens</title></section><section id="sub-5"><label>5</label><title>Störungen</title></section><section id="sub-6"><label>6</label><title>Reagenzien</title><section id="sub-6.1"><label>6.1</label><title>Allgemeines</title></section></section><section id="sub-7"><label>7</label><title>Standardsubstanzen</title><section id="sub-7.1"><label>7.1</label><title>Herstellung von Internen Standardlösungen</title></section><section id="sub-7.2"><label>7.2</label><title>Herstellung der Dotierlösung der Laborkontrollprobe</title></section></section><section id="sub-8"><label>8</label><title>Geräte</title><section id="sub-8.1"><label>8.1</label><title>Allgemeines</title></section></section><section id="sub-9"><label>9</label><title>Probenahme</title></section><section id="sub-10"><label>10</label><title>Durchführung</title><section id="sub-10.1"><label>10.1</label><title>Allgemeines</title></section><section id="sub-10.2"><label>10.2</label><title>Probenaufbereitung</title></section><section id="sub-10.3"><label>10.3</label><title>LC-MS/MS-Bestimmung</title></section><section id="sub-10.4"><label>10.4</label><title>Berechnung des TOP-Assay</title></section></section><section id="sub-11"><label>11</label><title>Qualitätssicherung</title><section id="sub-11.1"><label>11.1</label><title>Allgemeines</title></section><section id="sub-11.2"><label>11.2</label><title>Blindwerte</title></section><section id="sub-11.3"><label>11.3</label><title>Laborkontrollprobe</title></section><section id="sub-11.4"><label>11.4</label><title>Prüfung auf Vollständigkeit der Oxidation in den Probenextrakten</title></section></section><section id="sub-12"><label>12</label><title>Angabe der Ergebnisse</title></section><section id="sub-13"><label>13</label><title>Analysenbericht</title></section><section id="sub-a"><label>Anhang A</label><title>Ergebnisse des Validierungsringversuchs (informativ)</title></section><section id="sub-b"><label>Anhang B</label><title>Beispiele für Konditionen zur Anreicherung mittels SPE (informativ)</title><section id="sub-b.1"><label>B.1</label><title>Allgemeines</title></section><section id="sub-b.2"><label>B.2</label><title>Beispiel 1</title></section><section id="sub-b.3"><label>B.3</label><title>Beispiel 2</title></section><section id="sub-b.4"><label>B.4</label><title>Beispiel 3</title></section><section id="sub-b.5"><label>B.5</label><title>Beispiel 4</title></section></section><section id="sub-c"><label>Anhang C</label><title>Beispiel einer Ergebnisdarstellung (informativ)</title></section><section id="sub-d"><label>Anhang D</label><title>Massenübergänge einiger ausgewählter Vorläufersubstanzen (informativ)</title></section><section id="sub-e"><label>Anhang E</label><title>Umrechnungsfaktoren der PFCA in die jeweiligen Fluoräquivalente (informativ)</title></section><section id="sub-annex.bibliography.nat"><title>Literaturhinweise</title></section></toc>