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I'm trying to perform polymorph screening of one of dihydropyridines, at current moment I'm in a search of solvent-antisolvent combination for it.
22 May 2017 5,765 4 View
I am looking in information about rubbing alcohol and whats the composition of vapors evolved, and general properties of aforementioned solution
18 May 2017 7,319 1 View
Hydration energy (KJ/mol): It is the energy released when one mole of ion undergoes hydration
18 May 2017 4,082 4 View
I wonder why ammonia was added to hydrothermal synthesis of la2O3. At this time, the pH is 6 to 10. hydrothermal synthesis, La2O3, ammonia
17 May 2017 7,536 3 View
I seem to get conflicting search results from googling the obvious keywords, and although some FTIR results from publications show it should be transparent, a piece of acrylic I had seemed to...
17 May 2017 4,800 2 View
I wish to intercalate very fine graphite particles through a mixture of concentrated H2SO4 and HNO3. Normally, small particle size results in greater degree of intercalation. Is it possible for...
17 May 2017 5,780 2 View
The bond formed may be hydrogen bonding.
17 May 2017 9,139 2 View
We have currently been able to isolate THCA (Tetrahydrocannabinolic acid) to upwards of 99% purity with lab tests to confirm potency. We have only had success recrystallizing this compound to...
16 May 2017 7,054 1 View
please provide explanation for the TLC plate shrinking (peeled off) Methylene chloride & Methanol in the ratio of 23:2
16 May 2017 8,119 2 View
Hi all, Photophysical studies of a molecule which is under development was done by using uv-vis spectoscopy. By inctreasing concentration gradually, the intensity of one of the signal was...
16 May 2017 2,765 4 View
The formation of chloride ion (as HCl used as dopant) in the polymeric chains (polyaniline) stabilize it or destabilize? Please open the discussion
15 May 2017 5,608 8 View
Mixing of SWCNT and MWCNT with TiO2 and doping F into TiO2 cause an extension of the absorption towards the red shift in the spectra. This extension for F-TiO2, F-TiO2/MWCNT and F-TiO2/SWCNT on...
14 May 2017 1,677 5 View
generaly what are the usage of the DSC diagram of isochornal annealing of an metallic glass alloy before and after the microalloying? for example increasing Tg and Tx?or incresace in width of...
14 May 2017 1,624 2 View
Is there a solution to selectively corrode a ceramic MgO based coating formed on a magnesium alloy and leave the substrate unharmed? the opposite can also work, meaning a solution that only...
12 May 2017 10,312 3 View
many reported literature showed the COAL-LDH with out NH4F while in some literature NH4F have been used with COAL -LDH preparation . hat is the main purpose to NH4F In synthesis of COAL -LDH ?
11 May 2017 5,266 2 View
Hi everyone, i would like to know - for those who are familiar with electro-polymerization - the description of an electro-polymerization cell and the type of electrodes that i need. i will...
11 May 2017 6,541 1 View
Please help me to understand the growth mechanism of self-assembled ceria NPs by hydrothermal synthesis. What is the driving force of self assembly? and what are the major factors of controlling...
11 May 2017 2,326 2 View
I need to estimate the exchange current density of iron dissolution, thus the concentration of ferrous ions is needed, how to calculate? Is there a reference regarding this point?
08 May 2017 1,300 5 View
The Temperature of KOH and Ligin should be room Temperatur around 298,15 K, Water has a fraction with room temperature and a fraction around 353,15 K, but perhaps its ok to consider all components...
07 May 2017 7,006 3 View
The activated carbon was prepared by impregnating zinc chloride with the raw sample. I have carried out zero point charge by salt addition method and obtained a value of 7.03. Is it correct?
07 May 2017 6,431 5 View
In regards to ambient air moisture absorption, will increasing hydrophobicity also limit the hygroscopicity of nylon 6,6? My thoughts are that by limiting the surface interactions of moisture,...
05 May 2017 4,249 5 View
I want to simulate the curing process of epoxy resin impregnated composite manufactured by VARTM.The cure rate proposed by Kamal and Sourour needs activation energy terms to find Arrhenius rate...
05 May 2017 855 3 View
xps analysis, carbon, graphite, graphene
05 May 2017 8,644 4 View
Hello all, for the past few days I've been looking in books and journals looking for the stability constant for Zn(NO3)2. I found from one journal (taken...
05 May 2017 6,255 2 View