What is hydrogen bond in cellulose ?

Recently, I am interested in dissolving cellulose into a liquid. You know, it is very challenging even nowadays. Is there some excellent books, literatures or researching groups you recommended in...

04 May 2019 3,440 0 View

How to simulate the chemical composition of soil or clay?

Recently, I am interested in the acid buffer capacity of soil, clay, dust and ash. I want to use model compounds to estimate the which compounds really works in soil to show strong acid buffer...

03 April 2018 1,627 6 View

Which chemical in soil lead to the strong acid buffer capacity through cation exchange ?

It might be weak acid and acid salt, cation exchange and the existence of organic matter lead to the acid buffer capacity of soil. However, it was still confused me that which component results in...

03 April 2018 6,137 4 View

Why the cation exchange capacity of Fe is stronger than Al ?

03 April 2018 5,378 3 View

Can anyone suggest me some books or literature related to acid buffer capacity of soil ?

Recently, acid buffer capacities of soil were related with my research. However, the factors(cation type, weak acid or weak acid salt, organic matter content and so on) which influence the acid...

02 March 2018 8,957 0 View

How to understand cation exchange behavior in soil colloid ?

02 March 2018 7,578 0 View

Could the cation exchange capacity of Zn(II) be stronger than that of H ion?

01 February 2018 1,681 2 View

How to prepare ICP-AES samples for ion determination?

Recently, i am trying to detect ion contents in soil. The soil contains much aluminum and iron. I use 1 mL of nitric acid to digest the soil samples of 1g. This is conventional method to extract...

10 November 2017 7,713 5 View

Why is the cation exchange capacity of Fe(III) stronger than that of H ion?

Hi, everyone.Recently, I want to change the acid buffer capacity of soil or soil colloid by using FeCl3 and Hcl. I found FeCl3 showed better performance in changing the acid buffer capacity of...

09 October 2017 1,285 12 View

No title

Normally, for breaking the structure of lignocellulose, pretreatment strategy was recommended. However, with the increasing pretreatment severity, the pretreated residues and liquor were blacker...

01 January 1970 2,392 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

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 calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 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 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

Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View

Do you know this error? The experiment was stopped by a potential overload on Vs (auxiliary electrode)?

Hello everyone Do you have any information about this error 'The experiment was stopped by a potential overload on Vs (auxiliary electrode)' in Origamaster software? I tried everything possible,...

19 February 2021 3,152 7 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View