<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Nationales Vorwort</title><section id="sub-amendments"><title>Änderungen</title></section><section id="sub-previous.edition"><title>Frühere Ausgaben</title></section></section><section id="foreword.reg"><title>Vorwort</title></section><section id="sub-endorsement.notice"><title>Anerkennungsnotiz</title></section><section id="introduction.int"><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</title><section id="sub-3.1"><label>3.1</label><title>Stickstoffgehalt</title></section><section id="sub-3.2"><label>3.2</label><title>Rohproteingehalt</title></section></section><section id="sub-4"><label>4</label><title>Kurzbeschreibung</title></section><section id="sub-5"><label>5</label><title>Reagenzien</title><section id="sub-5.5"><label>5.5</label><title>Silber- oder Kupferwolle.</title></section></section><section id="sub-6"><label>6</label><title>Prüfeinrichtung</title></section><section id="sub-7"><label>7</label><title>Probenahme</title></section><section id="sub-8"><label>8</label><title>Herstellung der Untersuchungsprobe</title></section><section id="sub-9"><label>9</label><title>Durchführung</title><section id="sub-9.1"><label>9.1</label><title>Allgemeines</title></section><section id="sub-9.2"><label>9.2</label><title>Einwaage</title></section><section id="sub-9.3"><label>9.3</label><title>Steuerung des Sauerstoffbedarfs</title></section><section id="sub-9.4"><label>9.4</label><title>Kalibrierung</title></section><section id="sub-9.5"><label>9.5</label><title>Bestimmung</title></section><section id="sub-9.6"><label>9.6</label><title>Nachweis und Auswertung</title></section></section><section id="sub-10"><label>10</label><title>Berechnung und Angabe der Ergebnisse</title><section id="sub-10.1"><label>10.1</label><title>Berechnung</title><section id="sub-10.1.1"><label>10.1.1</label><title>Stickstoffgehalt</title></section><section id="sub-10.1.2"><label>10.1.2</label><title>Rohproteingehalt</title></section></section><section id="sub-10.2"><label>10.2</label><title>Angabe der Ergebnisse</title></section></section><section id="sub-11"><label>11</label><title>Präzision</title><section id="sub-11.1"><label>11.1</label><title>Ringversuche</title></section><section id="sub-11.2"><label>11.2</label><title>Wiederholpräzision</title></section><section id="sub-11.3"><label>11.3</label><title>Vergleichpräzision</title></section></section><section id="sub-12"><label>12</label><title>Prüfbericht</title></section><section id="sub-a"><label>Anhang A</label><title>Ablaufdiagramm für die Grundausführung eines Dumas-Gerätes (informativ)</title></section><section id="sub-b"><label>Anhang B</label><title>Schematische Darstellung geeigneter Typen von Dumas-Geräten (informativ)</title></section><section id="sub-c"><label>Anhang C</label><title>Gerätekalibrierung (informativ)</title><section id="sub-c.1"><label>C.1</label><title>Substanzen für die Kalibrierung</title></section><section id="sub-c.2"><label>C.2</label><title>Beispiel für die Berechnung des geschätzten Sauerstoffbedarfs</title><section id="sub-c.2.1"><label>C.2.1</label><title>Beispiel 1</title></section><section id="sub-c.2.2"><label>C.2.2</label><title>Beispiel 2</title></section></section></section><section id="sub-d"><label>Anhang D</label><title>Beispiele für Umrechnungsfaktoren vom Stickstoffgehalt zum Proteingehalt (informativ)</title></section><section id="sub-e"><label>Anhang E</label><title>Ringversuchsergebnisse (informativ)</title></section><section id="sub-f"><label>Anhang F</label><title>Zusammenhang zwischen dem Dumas-Stickstoff und dem Kjeldahl-Stickstoff (informativ)</title></section><section id="sub-annex.bibliography.int"><title>Literaturhinweise</title></section><section id="sub-na"><label>Nationaler Anhang NA</label><title>Literaturhinweise (informativ)</title></section></toc>