SummaryThe possibility for the direct spectrophotometric determination of microgram quantities of copper in high purity uranium using oxal-dihydrazide-acetaldehyde reagent in ammoniacal medium was. 1 juil. 2022 · Mustafa Abdulhalik Iskender Dyeing properties of different molecular sized disperse dyes, which arc commercially used for dyeing polyester micrufibre fabrics, were investigated in accordance with.