锌镉还原法测定海水硝酸盐的改进
자력환원법측정해수초산염적개진
Improvement of Zinc-cadmium Reduction Method for Determination of Nitrate in Seawater
  • 万方数据
    海洋科学进展 해양과학진전
    JOURNAL OF OCEANOGRAPHY OF HUANGHAI & BOHAI SEAS
    2011年 2期 229-234 ,共6页

    郑瑞芝%陈岚%王键%黄智伟%陈艳梅%刘四光%张钒

    정서지%진람%왕건%황지위%진염매%류사광%장범

    铵锌镉法%硝酸盐测定%锌镉法%镉铜柱法%还原率 銨鋅鎘法%硝痠鹽測定%鋅鎘法%鎘銅柱法%還原率
    안자력법%초산염측정%자력법%력동주법%환원솔
    提出在锌镉法中添加含氨的氯化铵溶液,称铵锌镉还原法,其还原率94.3%,精密度2.0%,比锌镉法还原率和精密度高,无盐效应,又有锌镉法操作简便之优点.铵锌镉法反应机理:由于氨使Zn2+形成络合物,NH4+电离出H+,二者使N03-还原更完全.
    제출재자력법중첨가함안적록화안용액,칭안자력환원법,기환원솔94.3%,정밀도2.0%,비자력법환원솔화정밀도고,무염효응,우유자력법조작간편지우점.안자력법반응궤리:유우안사Zn2+형성락합물,NH4+전리출H+,이자사N03-환원경완전.
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