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- W2372912285 abstract "In a medium of phosphoric acid, a stable blue complex if formed between copper(Ⅱ)ion and picramazochrom-m-COOH with its maxium absorption at 663 nm and apparent molar absorptivity of 2.88×104 L·mol-1·cm-1 , the composition of the complex is detected to be mk: Cu(Ⅱ ) = 2 : 1. Beer' law is obeyed in the concentration range o f 1 - 25 μg/25 ml of Cu(Ⅱ) . This method has been applied to the determination of copper(Ⅱ) in aluminium alloys with a satisfactory result of a standard recovery of 95%-102% ." @default.
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- W2372912285 date "2001-01-01" @default.
- W2372912285 modified "2023-09-24" @default.
- W2372912285 title "Study on the Chromogenic Reaction of Cu(II) with Picramazochrom-m-COOH" @default.
- W2372912285 hasPublicationYear "2001" @default.
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