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Preconcentration and determination of trace copper(II) in natural water using silica gel modified wi
Trace copper (II) in water can be preconcentrated using silica gel modified with 1-(2-pyridylazo)-2-naphthol (PAN) and b......
本文研究了聚合氯化铝作为一种新的无机吸附共沉淀剂对水中微量铬(Ⅵ)的富集和测定,实验表明,它能有效地富集水中微量铬(Ⅵ),1.5g聚合氯化铝在......