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Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
08:40

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Published on: April 28, 2014

A new configuration of membrane stack for retrieval of nickel absorbed in resins

Xue-fen Chen1, Zu-cheng Wu

  • 1Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China.

Journal of Zhejiang University. Science. B
|May 24, 2005
PubMed

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Precipitation Gravimetry01:03

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...