I C S 2 7 .F 2 4备案号:1 0 01 5 17 8- 2 0 0 5RIL中 华 人 民 共 和 国 电 力 行 业 标 准D L / T 9 0 8 一 2 0 0 4火力发电厂水汽试验方法钠的测定二阶微分火焰光谱法Analysis of water and steam used in power plant 一 Determination of sodiumSecond derivative flame emission spectrum method2004- 12- 14 发布2005- 06- 01 实施中 华 人 民 共 和 国 国 家 发 展 和 改 革 委 员 会发布coDL / T 908 一2004目次前言 ············· 111范围 ······，·，···········································‘·······························，·····················，·。·‘···⋯⋯ 12规范性引用文件 ··································‘································································⋯⋯ 13原理 ··················································································································⋯⋯ 14试剂 ·. 15仪器 ······。···‘·····‘····························，·······。·············，·················，·，· ·············· ，········⋯⋯ 26分析步骤 ···，·。················，···················，···························································‘·····⋯⋯ 27精密度 ·····················································。·························································⋯⋯ 38试验报告 · · ············· ······························································· ····⋯⋯ 3coD L / T 908 一2004. J 日‘，曰‘.fi q胃 本标准是根据原国家经贸委 《关于下达 2002 年度电力行业标准制定和修订计划的通知》 (国经贸电力 【2002] 973 号) 的安排制定的。 火力发电厂水汽中钠离子含量是水汽质量监督的重要指标之一，准确测定水汽中痕量钠离子对电力生产的安全和经济运行有着重要意义。 本标准由中国电力企业联合会提出。 本标准由电力行业电厂化学标准化技术委员会归口并解释。 本标准起草单位: 国电热工研究院。 本标准主要起草人: 田利、李敬业。coD L / T 9 08一20 04火力发电厂水汽试验方法钠的测定二阶微分火焰光谱法1范围 本标准规定了火力发电厂水汽中钠离子含量的二阶微分火焰光谱测定方法。 本标准适用于除盐水、锅炉给水、炉水、蒸汽、凝结水等水样中痕量钠离子的测定。 本标准痕量钠离子的测定范围: Ogg/L- l00gg/Lo2规范性引用文件 下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注 日期的引用文件，其随后所有的修改单 ( 不包括勘误的内容) 或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文.
