Ziervogel process

noun Zier·vo·gel process \ˈtsirˌfōgəl-\

Definition of Ziervogel process

  1. :  a process of extracting silver from its ores by roasting them so as to convert it into sulfate, leaching with water to dissolve the sulfate, and precipitating the silver by means of scrap iron or other reagent

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Origin and Etymology of ziervogel process

probably after Ziervogel, 19th century German metallurgist

Seen and Heard

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to criticize severely

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