18 Questions 18 Answers 0 Followers
Questions related from Jason Ju
Hello all, I'm in serious trouble with my experiment now, My system is using a pair of Polystyrene and poly(2vinylpyridine) connected with each other with ester bonds. Considering the polarity...
11 July 2019 2,096 0 View
Hi, I'm trying to make a basic nonpolar solvent for my experiment. I just mixed 1-decanol and sodium hydride to make an aliphatic base but it became a gel which I didn't expect. For example,...
16 March 2019 8,357 0 View
Hi all, I'm struggling with selectively removing polystyrene out of a complex of polystyrene and polyvinylpyridine where those are connected with ester crosslinkers. There is a requirement for...
13 March 2019 4,821 1 View
I've studied and read the principle of RAFT and its mechanism. By being fragmented and added, the rate of polymerization gets slow under the equilibrium between active and dormant species. But,...
05 October 2018 6,537 0 View
Hi, I'm curious about imine stability to high temperature like 90 degree celciu. The thing I know about imine stability is pH stability, which says that imine can be hydrolyzed in acidic...
02 October 2018 9,979 5 View
I face the problem with the stability to hydrolysis between ester and imine. As far as I know, imine is prone to hydrolysis in acid whereas ester is in both acid and base. My product has both...
27 September 2018 2,567 6 View
First, really thank you for reading my question. Like I said, I really wonder what kind of relationships b/w shift and crystallinity of some substances in those intruments. Please, answer me if...
12 October 2016 2,891 3 View
Firstly, thank you for being interested in my question and opening this. I'm having a hard time calculating input impedance by transmission line theory. I'm a student studying microwave absorbers....
23 September 2016 3,658 6 View
Firstly, thank you for being interested in my question and opening this. I'm having a hard time calculating input impedacne by transmission line theory. I'm a student studying microwave...
23 September 2016 5,467 2 View
I added the equation about it here.I'm stopped since I failed to calculate wave impedence.Especially, relative permittivity and relative permeability are big obstacles for me to solve.What I'd...
10 September 2016 6,352 2 View
Hello, I'm a student studying supercapacitor and using EC lab for measuring electrochemical reactions. I have a queation 'why isn't voltage window above 1 V in galvano setting of EC lab ?' A...
21 July 2016 5,177 4 View
Hello, I'd really like you to make a comment here for me. I've just started to study papers about supercapacitor and I'm trying to make a working electrode that is made of a filler, a conductive...
14 July 2016 2,461 3 View
Thank you for reading my question. I'm looking at a TEM-grid without C-component since I'd like to get a microscopic image showing C-layers over metal oxide. When I try to differentiate C layer...
23 June 2016 3,727 6 View
as far as I'm concerned, graphene oxide(GO) is usually utilized for metal coating. if we suppose that iron precursor such as iron chloride is coated on reduced graphene oxide during which GO is...
06 April 2016 7,540 3 View
Firstly, thank you for reading my question. I'm very confused when I differentiate thicknesses of graphite and GNP and I'd like to know the standard of their thicknesses to classify...
14 March 2016 5,660 3 View
I thought that is conductive when I saw that is a lot more conductive (x10^6) than r-Fe2O3 is in Wikipedia, but some of related papers say it is an insulating material. Which one do u think is...
24 August 2015 6,382 7 View
Good day! I need ur help seriously plz share ur idea with me. my question is, as far as I know there are several gases used in TGA; argon, nitrogen, oxygen and air. I understand the reason argon...
05 August 2015 1,237 19 View
I just made Graphene Oxide(GO) by modified Hummer's method and then tried to coat magnetic materials on it changing GO into RGO. Yet, the result was awful that the magnetization of the final...
14 April 2015 4,154 3 View
