《DLT908-2004-火力发电厂水汽试验方法钠的测定二阶微分火焰光谱法》.pdf

《《DLT908-2004-火力发电厂水汽试验方法钠的测定二阶微分火焰光谱法》.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ICS27.100F24备案号:15178-2005RIL中华人民共和国电力行业标准DL/T908一2004火力发电厂水汽试验方法钠的测定二阶微分火焰光谱法Analysisofwaterandsteamusedinpowerplant一DeterminationofsodiumSecondderivativeflameemissionspectrummethod2004-12-14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.cowbfwDL/T908一2004目次前言·············...........................

2、.................................................................................111范围······，·，···········································‘·······························，·····················，·。·‘···⋯⋯12规范性引用文件··································‘··········································

3、······················⋯⋯13原理··················································································································⋯⋯14试剂·.......................................................................................................................15仪器······。···‘·····

4、‘····························，·······。·············，·················，·，···············，········⋯⋯26分析步骤···，·。················，···················，···························································‘·····⋯⋯27精密度·····················································。···············

5、··········································⋯⋯38试验报告·......................·················································································⋯⋯3.cowbfwDL/T908一2004.J日‘，曰‘.fiq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

6、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。.cowbfwDL/T908一2004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

7、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件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB/i'6903锅炉用水和冷却水分析方法通则GBfF6907锅炉用水和冷却水分析方法水样的采集方法JJG630火焰光度计检定规程3原理用火焰进行激发并以光电系统来测量被激发元素辐射强度的分析方法称火焰原子发射光谱法。用火焰原子发射光谱法测量原子的特征谱线强度时，特征谱线周围有连续背景干扰。二阶微分火焰光谱法对叠加谱线进行二阶微分，消除了谱线周围的背景干扰，因此使