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- W2071983167 abstract "Abstract A chromatographic method has been developed for determining 1.00 to 6.00 μg 1−1 of copper. The test solution (1 μ1) was applied to paper impregnated with 0.1% phthalate salt of aniline and p-dimethylaminobenzaldehyde (p-DAB) based schiff's base solution and the chromatogram was developed with methanol, then immersed in aqueous 5% solution of potassium ferrocyanide for 35. The heights of the reddish brown peak shaped zones produced were related to concentration of copper. Equal amounts of silver, nickel and cobalt did not interfere. The error was ≤±0.20 with standard deviation 0.105." @default.
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- W2071983167 date "1981-01-01" @default.
- W2071983167 modified "2023-09-26" @default.
- W2071983167 title "Determination of Microgram Amounts of Copper by Peak Paper Chromatography" @default.
- W2071983167 doi "https://doi.org/10.1080/01483918108064813" @default.
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