新显色剂BPA-TC光度性能的研究及土壤中稀土总量的测定
신현색제BPA-TC광도성능적연구급토양중희토총량적측정
STUDY ON THE CHROMOGENIC REACTION OF BPA-TC WITH RARE EARTHS AND ITS APPLICATION TO THE DIRECT DETERMINATION OF TOTAL R. E. IN SOIL
  • 万方数据
    理化检验-化学分册 이화검험-화학분책
    PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS
    2005年 4期 266-267,276 ,共3页

    蔡伟建%吴斌才

    채위건%오빈재

    光度法%偶氮溴膦(BPA-TC)%稀土元素%显色反应%土壤 光度法%偶氮溴膦(BPA-TC)%稀土元素%顯色反應%土壤
    광도법%우담추련(BPA-TC)%희토원소%현색반응%토양
    研究了显色剂偶氮溴膦(BPA-TC)与稀土元素的显色反应.在2 mol·L-1HCl介质中,稀土元素与BPA-TC显色反应的摩尔吸光系数相互较接近.利用此反应性质,测定土壤中稀土总量获得满意结果.
    연구료현색제우담추련(BPA-TC)여희토원소적현색반응.재2 mol·L-1HCl개질중,희토원소여BPA-TC현색반응적마이흡광계수상호교접근.이용차반응성질,측정토양중희토총량획득만의결과.
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