What is the problem in attached file?

I have done ORR LSV (attached file) at different RPM (400-2000) in 0.1M KOH electrolyte (PH=13) using RDE. My teacher said that it is wrong due to limiting current density. Kindly give me your...

08 September 2019 1,662 2 View

How to do Particle Size Distribution of very small particles?

I used Image j but I didn't get correct result, is there another way to calculate particle size?

05 June 2019 8,862 3 View

What is the correct way of conversion of ppm to ppb?

Please suggest me a correct method of dilution of solutions to convert ppm to ppb. Let suppose I have 0.05 mg/ml solution, it has 50 ppm and I want to convert into different ppb solutions like 50,...

04 May 2019 9,307 1 View

How I can match simulated and own XRD pattern in Origin?

Hi, I have used American Mineralogist crystal database and downloaded .cif files and then used VESTA software to simulate XRD pattern and also have jcpdf number, I want to match with my own XRD...

04 May 2019 1,468 4 View

How can a beginner learn the analysis of X-ray photoelectron spectroscopy (XPS) by himself?

Is there any literature or trilaterals?

04 May 2019 3,309 6 View

Can anyone provide me JCPDS files?

Hi, everyone, I needed JCPDS files of Pt, Cu, PtCu & Cu3Pt, if anyone have then please share with me, I will be highly thankful. File numbers are as follows: PtCu = JCPDS 48-1549 Pt = JCPDS...

04 May 2019 1,856 4 View

What does it mean pass/fail in BET result?

I did BET for my catalyst (PtCu Nano particles) when I got result, I saw this error (given in attached figure), as BET Surface area is too low, what does "fail'' mean? is it incomplete analysis or...

03 April 2019 7,043 10 View

How can a beginner learn the analysis of XRD Powder method by himself?

Is there any literature or trilaterals?

01 February 2019 4,976 12 View

What is the standard electrode potential of Hg/HgO ?

01 February 2019 4,924 3 View

Does anyone have the cif. file for ZIF-8 and MOF-74 ?

11 December 2018 8,137 0 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View