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US3215495A - Apparatus and process for preparing hydrogen ...

hydrogen gauze reactor Prior art date 1962-01-23 Legal status The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Expired - Lifetime Application number US168169A Inventor William R Jenks W Andresen

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  • Cyanide process | metallurgy | Britannica

    Cyanide process | metallurgy | Britannica

    also called Macarthur-forrest method of extracting silver and gold from their ores by dissolving them in a dilute solution of sodium or potassium The was invented in 1887 by the Scottish chemists John S. MacArthur, Robert W. Forrest, and William Forrest. The method includes three steps: contacting the finely ground ore with the solution, separating the …

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  • Arequa Cyanide Mill Description Aug., 1899

    Arequa Cyanide Mill Description Aug., 1899

     · Ordinary stamp mills failed to meet the exigency recourse was therefore had to the . The ores to be treated were those impregnating the country rock of altered andesite, phonolite, and granite, viz., iron oxides, carrying free gold, unoxidized iron pyrites low grade in gold, and tellurides rich in gold.

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  • Aurocyanide | Definition of Aurocyanide by Merriam-Webster

    Aurocyanide | Definition of Aurocyanide by Merriam-Webster

    Definition of aurocyanide. : a complex salt such as sodium aurocyanide Na [Au CN2] formed in the cyanide process for gold made by the union of aurous cyanide with another cyanide.

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  • Extraction of Gold

    Extraction of Gold

    It is effected by lixiviation with a solution of potassium , the gold being precipitated either by addition of zinc or electrolytically. The was suggested by Mac and Forrest in 1385, and is based on the well-known solubility of gold in potassium- solution, a phenomenon said to have been discovered by Prince ...

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  • Mac Arthur forest Cyanide Process / Cyanide Proces - YouTube

    Mac Arthur forest Cyanide Process / Cyanide Proces - YouTube

     · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How works Test new features Press Copyright Contact us Creators ...

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  • cyanide process - TheFreeDictionary.com

    cyanide process - TheFreeDictionary.com

    Synonyms for MacArthur-Forrest in Free Thesaurus. Antonyms for MacArthur-Forrest . 1 word related to : industrial . What are synonyms for MacArthur-Forrest ?

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  • Cyanide Poisoning: Symptoms, Treatment, Complications, and ...

    Cyanide Poisoning: Symptoms, Treatment, Complications, and ...

     · can refer to any chemical that contains a carbon-nitrogen CN bond. Here’s how to identify the symptoms of poisoning, who’s at risk, and more.

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  • Recent cyanide practice [microform] : Rickard, T. A ...

    Recent cyanide practice [microform] : Rickard, T. A ...

    Addeddate 2012-08-28 13:38:05 Allowjpgs true Call number CIHM 9-90146 City San Francisco Edition 1st ed. External-identifier urn:oclc:record:1042117559 Foldoutcount

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