When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?

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What is the atomic density of ceramics?

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Witch type curome oxide in ms matle?

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Define what is the ratio of dbc to oxalic acid solution in this step?

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white rust formation over zinc plated and passivated fasteners during CED coating. WHY?

1 Answers   Wheels India,

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What are the materials used to manufacture Aeroplane Wings?

0 Answers   NIC,

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Define what is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbine blades etc. When both are used in the lost-wax method?

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Why we are doing post heating in alloy steel welding?

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Explain proeutectoid ferrite

1 Answers  

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Can 1026 steel be welded?

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Which type of key is used between shaft and pulley?

0 Answers   NIC,

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Define what other events in history might have affected the growth of metallurgy?

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