Dimethylglyoxime is a chelating agent that forms complexes with metals like copper, nickel, and palladium. It’s also an analytical reagent that can be used to precipitate nickel from its aqueous solution.
DMG is soluble in methanol and sodium hydroxide solution, but not very soluble in water. It’s one of the first organic reagents used in analytical chemistry. DMG is a sensitive and specific reagent for the nickel element. It also helps identify other metal ions.
Dimethylglyoxime is a chemical compound described by the formula CH₃CCCH₃. Its abbreviation is dmgH₂ for neutral form, and dmgH⁻ for anionic form, where H stands for hydrogen. This colourless solid is the dioxime derivative of the diketone butane-2,3-dione. DmgH₂ is used in the analysis of palladium or nickel. Wikipedia
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