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- W4256015220 abstract "An extraction-spectrophotometric method using 2-hydroxy-1-naphthaldoxime (HNA) was developed for the determination of palladium in palladium brazing filler metal. A required amount of the sample (0.1g) was dissolved by heating in 10ml of nitric adid (1+1). The solution was made up to 100ml with water, fromwhich a portion containing up to 100μg of palladium was transferred into a 50-ml separatory funnel. Two milliliters of 0.05 M zephiramine solution and 10ml of 2N sulfuric acid were added, and the solution was diluted to about 20ml with water. It was shaken with 10ml of 0.01M HNA-chloroform solution for 10min. After the organic phase was separated, a little turbidity in the organic phase was removed by centrifugation. The absorbance of the organic phase was measured at 402nm against the reagent blank. Palladium in palladium brazing filler metals colud be determined precisely with high reproducibility." @default.
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- W4256015220 date "1980-01-01" @default.
- W4256015220 modified "2023-10-16" @default.
- W4256015220 title "Extraction-spectrophotometric determination of palladium in palladium brazing filler metals with 2-hydroxy-1-naphthaldoxime" @default.
- W4256015220 doi "https://doi.org/10.2116/bunsekikagaku.29.2_148" @default.
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