de silverizing bullion
Gold Extraction

De-Silverizing Bullion

Table of ContentsRemoval of Copper from BullionBULLIONRemoval of Antimony and ArsenicZINCING KETTLESCYCLE OF OPERATION IN DE-SILVERIZING The de-silverizing of base bullion is carried out in

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electric core oven
Equipment

Core-Oven

Table of ContentsELECTRICAL CORE OVENSRadiation and Other Unavoidable LossesHeat Losses Under Operating ConditionsHeat AbsorptionBakesOIL-FIRED CORE OVENRadiation and Other Unavoidable LossesHeat Losses Under Operating ConditionsHeat AbsorptionBakesUNIFORMITY OF

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molybdenum tensile strength
Various

Molybdenum Steel Alloys

Table of ContentsWhy molybdenum is added to steelInteresting facts about molybdenumEffect of molybdenum in stainless steelMolybdenum steel composition It is twenty years since the writer

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Deslimer
Dewatering

Deslimer

The deslimer is provided with a central feed box, having a baffled bottom to break the velocity of the inflowing pulp. The bottom, or discharge

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Melting-Gold-Silver-Wire
Various

Touchstone Gold Tester

There are three methods for ascertaining the quality of gold, viz., by the touchstone and needles, by cupellation, and by parting or quartation. The first

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