Search for: [Description = "tytuł równoległy\: Methodical investigations on the usefulness of 2\-hydrazinothiazole derivatives to detect v\-amounts of Cu\+\+, Co\+\+, Fe\+\+, Fe\+\+\+ Ions by the method of paper partition chromatography. 2, Quantitative analysis of Cu\+\+ and Co\+\+ ions by planimetry of direct spot"]

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