Metals

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Questions related to Metals

How can I remove iron and titanium oxide impurities from clay by bioleaching?

I am interested in Bioleaching method.

02 February 2017 3,598 3 View

I want to use an additive to bring my electrodeposited Zinc-Iron alloy grains into a nanometric scale. What do you suggest?

The coating electrolyte is a chloride bath.

02 February 2017 4,380 2 View

How the formation of eutectic Si takes place in the Rheometal process ?

In the rheometal process when stirring of the liquid using EEM at different stirring speed is carried out. During the stirring the slurry formation takes place within 30 seconds and water...

02 February 2017 8,905 7 View

Can computational chemistry predicts properties of li-ion cathode?

i just think if computational chemistry can get properties of li-ion cathode, so i might predict a new cathode of li-ion using computer. and if you dont mind, please describe the methode to doing...

26 January 2017 4,947 3 View

Can bimetallic nanoparticles give UV spectrum without any characteristic peak?

I have gone through some of the literature where there is written that it's possible that bimetallic nanoparticles may give no characteristic UV peak even though the individual metals may at...

21 January 2017 3,584 6 View

What is the best method to prepare Ca-based alloys from pure elements?

I´d like to prepare Ca-based alloys from pure elements but the problem is strong evaporation and oxidation of Ca. Do you have any advice how to avoid these problems? Melting point of other...

15 January 2017 6,655 7 View

What is overpotential w.r.t. electrochemical sensors? How to minimize it?

Why in some cases it is very high ?

15 January 2017 9,752 5 View

Can computational chemistry predicts properties of li-ion cathode?

i just think if computational chemistry can get properties of li-ion cathode, so i might predict a new cathode of li-ion using computer. and if you dont mind, please describe the methode to doing...

01 January 2017 9,529 3 View

What is the best method to prepare Ca-based alloys from pure elements?

I´d like to prepare Ca-based alloys from pure elements but the problem is strong evaporation and oxidation of Ca. Do you have any advice how to avoid these problems? Melting point of other...

01 January 2017 1,994 7 View

Could you please give me the link on RfD and CSF values which is uesd in assessing the health risk?

I got some oral reference doses of metals but not more than 8 heavy metals (Cu, Ni, Cr, As, Pb, Cd, Hg, Zn) from different journal papers. Now I want to get more than 10 heavy metals oral...

01 January 2017 4,456 2 View

What is overpotential w.r.t. electrochemical sensors? How to minimize it?

Why in some cases it is very high ?

01 January 2017 5,704 5 View

What research is the ASME BPVC Section III Subsection NH based on?

What is the background behind the method used for evaluating Creep-fatigue in ASME BPVC Section III Subsection NH? What or who’s research is it based on?

01 January 2017 9,855 4 View

Most effective methodology/technology to detect buried mine adits with minimal disturbance?

Cover surface consists of 8-24'' dia. cobble-boulder, unknown depth. Would like to characterize known collapsed adit and hydrogeologic interaction with mine waste in the safest way possible. Thank...

01 January 2017 4,108 2 View

Does porous-spongy like particles have shape factor ? If yes, may i know the range ? or calculation procedure ?

I heard that, particles with high roughness and solids have large shape factors and particles with irregular and spongy like will have smaller shape factors. Is this true ? Anyone have an idea of...

13 December 2016 9,284 2 View

I am beginner in ICPMS analysis, Below I am attaching two files of results obtained from the analysed samples. Please help me, how to solve?

Please help to analyze the data. Metals is Molybdenum. How to calculate metal % in sample.

12 December 2016 2,472 8 View

What commercial grades of graphite can be used for applications which volatile matter is undesirable?

Consider a graphite crucible working under vacuum for melting a metal. The temperature can reach 2000 degree Celsius. It is intended to measure the solved gas content of the metal. So, releasing...

12 December 2016 8,679 3 View

What commercial grades of graphite can be used for applications which volatile matter is undesirable?

Consider a graphite crucible working under vacuum for melting a metal. The temperature can reach 2000 degree Celsius. It is intended to measure the solved gas content of the metal. So, releasing...

08 December 2016 6,369 3 View

Is there any possibility that by changing the metal in cold fusion process, we can actually be able to perform cold fusion?

During the cold fusion, 'Pd' & 'Pt' are the metals we use but still, cold fusion is not achievable. So, is there any possibility that by changing these metals, we can perform cold fusion.

11 November 2016 1,530 2 View

It is possible to synthesized the Ce-Cu-O solid solution at the high Cu concentration?

I want to synthesis the Ce-Cu-O solid solution in which the Cu concentration is higher than 30%. Theoretically, this is possible or not? I know that for the solid solution, two metal atomic radius...

11 November 2016 2,595 3 View

Is it possible for certain uncommon slip systems to occur during the deformation of bcc crystal?

As we all know, the slip in bcc metals always involves glide in the direction of type, but the slip plane may be any of {110},{112} or {123}. The slip systems in bcc crystals also...

11 November 2016 7,418 3 View

Is it possible that only one functional can optimize a 4d transition metal complex?

I have tried several functionals, but only one functional was able to optimize the desired structure. With the successful structure, I tried to optimize again by implementing ZORA or ECP on the...

11 November 2016 480 3 View

Elevated concentration of iron (Fe) in groundwater?

Occurrence of high concentration of iron (Fe) in groundwater is very common particularly in areas of tropical climate. In groundwater, Fe generally occurs in the oxidation state - reduced soluble...

28 October 2016 4,388 27 View

For calculating form factor in an electroslag welding process how width and depth are practically measured?

Form factor = width of the molten metal/depth of the molten metal & higher form factor gives good resistance from cracking. But how the width & depth are measured in practise?

26 October 2016 10,182 1 View

Detection of metallic crack by microseismic monitoring equipment?

Can I microseismic instrument detect the metallic failure of a bolt at the site?

19 October 2016 7,524 1 View

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