规范《DLT867-2004-粉煤灰中砷、镉、铬、铜、镍、铅和锌的分析方法（原子吸收分光光度法）》.pdfVIP

ICS27.100 F 23 备案号:13613-2004 EIL 中华 人 民共 和 国 电力行 业 标 准 DL/T 867一 2004 粉煤灰中砷、镐、铬、铜、镍、铅和锌 的 分 析 方 法 (原子吸收分光光度法) Analysismethodsonarsenic,cadmium,chromium,copper,nickel,lead andzincinflyash (Atomicabsorptionspectrometry) 2004-03-09发布 2004-06-01实施 中华人民共和国国家发展和改革委员会 发 布 DL/T 867 一 2004 目 次 前言 1 范围 ·······。··········。·························································································，·····…… 1 ， ︸ 规范性引用文件 ···································································································…… 1 3 原理 ··················································································································…… 1 4 试剂 ················································。·。·······························································…… 1 芍 仪器 ·················································································································…… 3 ‘ U 样品的制备 ···。·····································································································…… 3 7 分析步骤 ············································································································…… 3 C 八 结果计算 ·······························································································。···········…… 5 n ， 精密度与准确度 ···································································································…… 5 DL/T867一 2004 B9 青 为确保环境监测数据的准确性和可比性，统一分析方法，特制定本标准。该标准分析方法也是电 厂环境监测基本方法之一。 本标准由中国电力企业联合会提出。