How to draw tie-lines in a ternary alloy phase diagram?

I have read that to know the composition of different phases in a ternary phase diagram of metals A,B,C (at a particular temp. T), we can apply lever rule along the tie line. But, I am not sure...

31 December 2017 6,886 9 View

How do I confirm whether my catalyst is reducing NaBO2 to NaBH4 or not?

I want to reduce NaBO2 to NaBH4 on a catalyst (electrode). Kindly provide me suggestions of how can I confirm that the reduction of NaBO2 to NaBH4 is taking place or not?

11 December 2017 2,199 7 View

Why do some compositions form eutectic?

I want to know about the reason leading to a particular composition of a metal mixture to form a eutectic alloy. I know that Gibbs free energy plays a very role and I can figure out the...

11 December 2017 6,194 4 View

What are the best ways to trap hydrogen directly from experiment for measurement of quantity?

Since, I am pretty sure that no other gaseous product could be formed in the conditions of my experiment except hydrogen, so I am pretty sure that I am able to produce hydrogen (by water...

11 December 2017 6,782 3 View

Is there any material that could be electro-deposited on another surface but becomes non-conducting after deposition?

The material or compound could be in solution from where it could be electro-deposited onto a second surface but the deposited layer of material from solution becomes non-conducting after deposition.

10 November 2017 1,888 4 View

Does Randles-Sevick equation provide electroactive surface area of working electrode?

Randles - Sevick equation provides an area value of the working electrode. Is this area the true electroactive surface area of the working electrode or there are some condition-boundations to the...

09 October 2017 7,087 3 View

What adsorbs (any chemical species, polymers, gas molecules, etc.) on Lead (Pb)?

My enquiry is about any chemical/electrochemical species maybe ions or gas, etc. that adsorbs on Pb surface exposed to that species.

08 September 2017 1,932 8 View

How to determine electrochemically active surface area of non noble metals as Pb with high reliability?

Various methods as finding capacitance have already been discussed in some papers but it seems that reliable figures and data is not available. BET is out of question as metal catalyst is carbon...

08 September 2017 8,866 4 View

How to roll bismuth pieces into thin sheets?

I want to roll or convert bismuth pieces into thin sheets of bismuth. Is there any way by which i can do that as bismuth is relatively brittle and breaks easily while rolling in a rolling mill or...

01 February 2017 3,100 2 View

Stannic cloride pentahydrate in our lab has become completely hydrated. Can i extract it back for lab use?

Stannic chloride pentahydrate being a hygroscopic compound absorbs moisture from surroundings and the bottle which was almost half unused has become hydrated now and is in liquid plus some...

31 December 2016 803 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

How to determine solutionizing time for cast Al alloys?

For wrought alloys soaking time at solutionizing temperature is determined by thickness .Do we have such standards for cast Al alloys

23 February 2021 8,839 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

Which thermal conductivity test recommended for Ag-Cu nanofluid?

I have prepared Ag-Cu alloy with polymer coating upon it.... how can I measure thermal conductivity of it ?

22 February 2021 5,915 3 View

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View

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22 February 2021 9,932 11 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...

19 February 2021 7,006 5 View