1 Scope and object<br>2 Normative reference<br>3 Definitions<br>4 Principle<br>5 Reagents and auxiliary materials<br>6 Apparatus<br>7 Sample<br>8 Chromatograph operating conditions<br>9 Data-processing system<br>10 Checks of instrumental performance<br>11 Procedure<br>12 Test report<br>13 Detection limit<br>14 Precision<br>Annexes<br>A Test mixtures<br>B General informations<br>C Bibliography<br>ZA Normative references to international publications <br> with their corresponding European publications