<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="body"><title>Hauptteil</title><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Interferences</title></section><section id="sec_5"><label>5</label><title>Principle</title></section><section id="sec_6"><label>6</label><title>Reagents</title></section><section id="sec_7"><label>7</label><title>Apparatus</title></section><section id="sec_8"><label>8</label><title>Quality requirements for the separator column</title></section><section id="sec_9"><label>9</label><title>Sampling and sample pre-treatment</title><section id="sec_9.1"><label>9.1</label><title>General requirements</title></section><section id="sec_9.2"><label>9.2</label><title>Sample pre-treatment in the case of elevated levels of chloride and bromide</title></section></section><section id="sec_10"><label>10</label><title>Procedure</title><section id="sec_10.1"><label>10.1</label><title>General</title></section><section id="sec_10.2"><label>10.2</label><title>Calibration</title></section><section id="sec_10.3"><label>10.3</label><title>Measurement of samples using the standard calibration procedure</title></section><section id="sec_10.4"><label>10.4</label><title>Validity check of the calibration function</title></section></section><section id="sec_11"><label>11</label><title>Calculation</title></section><section id="sec_12"><label>12</label><title>Expression of results</title></section><section id="sec_13"><label>13</label><title>Test report</title></section></section><section id="sec_A"><label>Annex A</label><title>Performance data (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>