<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Vorwort</title><section id="sub-amendments"><title>Änderungen</title></section><section id="sub-previous.edition"><title>Frühere Ausgaben</title></section></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</title></section><section id="sub-4"><label>4</label><title>Bezeichnung</title></section><section id="sub-5"><label>5</label><title>Probenahme</title></section><section id="sub-6"><label>6</label><title>Probenvorbereitung</title></section><section id="sub-7"><label>7</label><title>Verfahren A</title><section id="sub-7.1"><label>7.1</label><title>Kurzbeschreibung</title></section><section id="sub-7.2"><label>7.2</label><title>Geräte</title></section><section id="sub-7.3"><label>7.3</label><title>Reagenzien</title></section><section id="sub-7.4"><label>7.4</label><title>Durchführung</title></section><section id="sub-7.5"><label>7.5</label><title>Berechnung und Angabe der Ergebnisse</title></section></section><section id="sub-8"><label>8</label><title>Verfahren B</title><section id="sub-8.1"><label>8.1</label><title>Kurzbeschreibung</title></section><section id="sub-8.2"><label>8.2</label><title>Geräte</title></section><section id="sub-8.3"><label>8.3</label><title>Reagenzien und Hilfsmittel</title></section><section id="sub-8.4"><label>8.4</label><title>Durchführung</title><section id="sub-8.4.1"><label>8.4.1</label><title>Kalibrierung</title></section><section id="sub-8.4.2"><label>8.4.2</label><title>Vorbereitung der Analyse</title></section><section id="sub-8.4.3"><label>8.4.3</label><title>Ermittlung des Leerwertes</title></section><section id="sub-8.4.4"><label>8.4.4</label><title>Bestimmung des Schwefelgehaltes</title></section></section><section id="sub-8.5"><label>8.5</label><title>Berechnung und Angabe der Ergebnisse</title></section></section><section id="sub-9"><label>9</label><title>Präzision</title></section><section id="sub-10"><label>10</label><title>Prüfbericht</title></section><section id="sub-a"><label>Anhang A</label><title>Ergebnisse der Ringversuche (informativ)</title></section><section id="sub-annex.bibliography.nat"><title>Literaturhinweise</title></section></toc>