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Hg_2Cl_2-HgS电极法测定高纯水中的微量氯离子
王天寿; 李继进; 吴国梁
1982-04-02
Source Publication分析仪器
Issue1Pages:102
Abstract<正> 水样用硝酸调pH到2.5,以涂层或镀膜高灵敏度氯离子选择电极测定了高纯水中ppb级的Cl~-,并与比色法作了比较,结果一致。标准比较法测定时,若水样Cl~-含量<100ppb,应取较多高标准液作出校准曲线;若>100ppbCl~-,则可用二个标准液校准,回收率为93—102%。样品数不多,Cl~-含量>100ppb的水样宜用标准加入—已知稀释法。测量V_(?)毫升试样C_2的电位E_1后,加入V_(?)毫升的标准Cl~-(C_(?)),测得电位E_2(E_1-E_2≈15-20毫伏),以pH2.5的硝酸水稀释一倍,测得E_3,按式
Keyword高纯水:5214 氯离子选择电极:3802 水样:3091 标准液:2995 标准加入:2966 比色法:2696 高灵敏度:2627 校准曲线:2545 硝酸:2482 回收率:2050
Language中文
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/1687
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
王天寿,李继进,吴国梁. Hg_2Cl_2-HgS电极法测定高纯水中的微量氯离子[J]. 分析仪器,1982(1):102.
APA 王天寿,李继进,&吴国梁.(1982).Hg_2Cl_2-HgS电极法测定高纯水中的微量氯离子.分析仪器(1),102.
MLA 王天寿,et al."Hg_2Cl_2-HgS电极法测定高纯水中的微量氯离子".分析仪器 .1(1982):102.
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