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? Whatis the ratio of dbc to oxalic acid solution in this step?

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IS:1239 same code for MS ERW and Seamless pipes ?

1 Answers  

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Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron?

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The moment of inertia of an area is always least with respect to ?

0 Answers   NIC,

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What is spcc material?

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What is calibration of an instrument?

0 Answers   Essar,

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How do you classify shapers?

0 Answers   Essar,

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what is the composition of cast iron grade 35

2 Answers  

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What is the use od d2?

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What is carbide?

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What is a silver and deming drill bit?

0 Answers  

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Why is chromium molybdenum steels used to build pressure vessels?

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