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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What is gold investment casting?

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i want to go to US for Bachlore of computer science, I didn't appeared for SAT. my ielts scores are too low only 5.5 band and I am confused if VISA OFFICERS will ask why u hadn't given SAT. what i have to answer pl suggest?

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Is there any way through hardening and anodizing some type of aluminum, it could be as hard as steel? I have hardened steel rollers that run up and down on a ramp along with spring pressure. Alternatively, if you are familiar with snowmobiles, the rollers run on the helix on the secondary clutch.

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acetylene is stored in ?

0 Answers   NIC,

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What is the Difference of ultimate tensile stress of mild steel to ultimate compressive stress ?

0 Answers   NIC,

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What is a master gauge ?

0 Answers   Essar,

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What are the superalloys?

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Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?

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how would you find out the type of stailess steel that has been used to make your dish?

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Discuss the otto cycle with diagram.

0 Answers   Essar,

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What is the Equivalent for 9.81 kgf= ?

0 Answers   NIC,

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