ICS 75.080 CCS E 30 中华人民共和国石油化工行业标准 NB/SH/T 6071—2023 石油产品常压蒸馏特性的测定 微量蒸馏法 Standard test method for distillation of petroleum products and liquid fuels at atmospheric pressure (mi cro distillation method) 2023-02-06发布 2023-08-06实施 NB/SH/T 6071—2023 I 目 次 前言 ·····························································································································II I 引言 ···························································································································· IV 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 仪 器 ························································································································· 2 5.1 自动蒸馏仪器的基本元件 ························································································· 2 5.2 仪器详述 ·············································································································· 3 5.3 校准用气压计 ········································································································ 3 5.4 取样器 ················································································································· 3 5.5 废液瓶 ················································································································· 3 6 试剂和材料 ················································································································ 3 7 取样、样品贮存和样品条件 ··························································································· 3 7.1 取 样 ···················································································································· 3 7.2 样品贮存 ·············································································································· 4 7.3 含水样品 ·············································································································· 4 8 仪器准备 ··················································································································· 4 9 校准和标准化 ············································································································· 4 9.1 温度测量系统 ········································································································ 4 9.2 标准样品 ·············································································································· 4 10 仪器校验 ·················································································································· 5 11 试验步骤 ·················································································································· 5 12 报 告 ························································································································ 6 13 精密度和偏差 ············································································································ 6 13.1 通 则 ·················································································································· 6 13.2 重复性 ··············································································································· 6 13.3 再现性 ··············································································································· 7 13.4 不同方法之间的偏差 ····························································································· 8 附录 A（规范性） 仪器的详细说明 ···················································································· 9 附录 B（规范性） 重复性（ r）和再现性（ R