ICS 75.080 CCS E 30 中华人民共和国石油化工行业标准 NB/SH/T 6069—2023 石油馏分氮和烃沸程分布的测定 气相色谱法 Standard test method for determinatio n of boiling range distribution of hydrocarbon and nitrogen compon ents in petroleum distillates — Gas chromatography 2023-02-06发布 2023-08-06实施 NB/SH/T 6069—2023 I 目 次 前言 ·····························································································································II I 1 范 围 ························································································································· 1 2 规范性引用文件 ·········································································································· 1 3 术语和定义 ················································································································ 1 4 方法概要 ··················································································································· 2 5 意义和应用 ················································································································ 3 6 仪器 ························································································································· 3 6.1 气相色谱仪 ··········································································································· 3 6.2 色谱柱 ················································································································· 4 6.3 数据采集系统 ········································································································ 4 7. 试剂和材料 ················································································································· 4 7.1 试剂 ···················································································································· 4 7.2 校准混合物 ··········································································································· 5 7.3 NCD 性能测试标准溶液 ··························································································· 5 7.4 保留时间一致性测试溶液 ························································································· 6 7.5 参比油 ················································································································· 6 8 仪器准备 ··················································································································· 6 8.1 气相色谱仪准备 ····································································································· 6 8.2 色谱柱老化 ··········································································································· 7 8.3 系统性能检查 ········································································································ 7 9. 试验步骤 ···················································································································· 8 9.1 分析程序 ·············································································································· 8 9.2 基线空白试验 ········································································································ 9 9.3 保留时间与沸点关系的校准（校准混合物的测定） ························································ 9 9.4 氮含量的校正 ········································································································ 9 9.5 参比油分析 ········································································································· 10 9.6 试样分析 ············································································································ 10 9.7 质量控制 ············································································································ 10 10 数据计算 ················································································································ 10 10.1 数据调出 ·········································································································· 10 10.2 试样面积切片基线归零 ·········