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5. Preconcentration and determination of trace copper(II) in natural water using silica gel modified wi

Preconcentration and determination of trace copper(II) in natural water using silica gel modified wi

来源 :环境科学学报：英文版 | 被引量 : 0次 | 上传用户：wanghua8503

【摘 要】

：

Trace copper (II) in water can be preconcentrated using silica gel modified with 1-(2-pyridylazo)-2-naphthol (PAN) and be determined spectrophotometri-cally. Th

【出 处】

：

环境科学学报：英文版

【发表日期】

：

1989年1期

【关键词】

：

PAN SILICA GEL COPPER preconcentration. PAN  silica gel  copper  preconcentratio 

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Trace copper (II) in water can be preconcentrated using silica gel modified with 1-(2-pyridylazo)-2-naphthol (PAN) and be determined spectrophotometri-cally. The conditions for the preconcentration were studied. The method was applied to both artificial a

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