What is the sample preparation technique for carbon samples?

I have made some carbon samples both CNTs and also activated carbons. How to we get clean SEM images. What is the sample preparation required? What is the sputtering time or cycles to be employed?

08 September 2018 1,379 5 View

Can any one mention reactions which can be monitored by GC?

I would like to monitor ester hydrolysis with GC. can any one help me by pointing out if there are any reactions that can be done so. Thank you.

06 July 2016 9,923 3 View

How to coat activated carbon on copper plate?

how do we coat activated carbon on to copper plate for studying its cpacitance? Are there any other methods?

02 March 2016 4,660 4 View

What are the maximum working potentials for a glassy carbon electrode?

09 October 2015 5,301 3 View

How many equivalents of selenium dioxide are required for oxidation?

I am carrying out the oxidation of benzylic methyl group to carbonyls. I wanted to use SeO2 and so wanted to know how many mole equivalents of it is required to oxidise one mole of methyl group....

04 May 2015 2,278 5 View

What is fluorescent quantum yield and how do you calculate it?

What is fluorescent quantum yield and how do you calculate it? Are there many procedures and if there are which one is more accurate?

02 March 2015 4,812 10 View

What is the best procedure to oxidize 2-methylpyridine to the corresponding acid in high yield?

As there are many procrdures...

31 December 2014 2,055 2 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

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 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

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 to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 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 delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View