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采用湿法消解样品 ,用 0 .1 % PAN[1 - (2 -吡啶偶氮 ) 2 -萘酚 ]- 2 0 % OP(聚乙二醇辛基苯基醚 )显色分光光度法测定 1 0种生药中微量元素锌。
The samples were digested with wet method and analyzed by chromogenic spectrophotometry with 0.1% PAN [1 - (2 - pyridylazo) 2 - naphthol] - 20% OP (polyethylene glycol octylphenyl ether) 0 kinds of crude drugs in trace elements zinc.