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From my understanding, both PVB and TPU form a combination of Hydrogen bonds, Van der Waals forces and chemical bonds with the hydroxyl groups of the glass surface. Is it true that PVB has a...
05 August 2017 9,122 3 View
Hello, I've got some TiO2 nano-materials containing Pt/Pd/Rh metals, I would like to remove some of the TiO2 but keep the Pt/Pd/Rh metals. Are there any of such kind of chemicals that can...
26 July 2017 2,697 3 View
I got two different crystal structures for the same compound with same cell parameters...but it exhibits pseudopolymorphic behaviour.
26 July 2017 3,720 3 View
XRD, loading, peak, crystalinity
26 July 2017 1,418 10 View
I would like to ask why the color of the hydrogel formed is half peach and half brow instead of it being completely brown. Is there anyone else working with the same material? Please help! I have...
24 July 2017 8,834 3 View
how can I convert praseodymium oxide (Pr6O11) to praseodymium nitrate [Pr(NO3)3]
22 July 2017 9,777 3 View
The Cu-BTC mof was synthesized from mixture of water and ethanol
21 July 2017 630 2 View
In electronic microscope the we need high vacuum to attain high quality images. How to safeguard our FESEM or TEM instrument from unknown sample releasing impurity while analysis? Where as the...
19 July 2017 9,525 5 View
Electron-withdrawing constituents with pi electrons on the meta position of the benzene rings affect color significantly LESS than the same constitutnets on the ortho and para position. Why is...
18 July 2017 6,351 3 View
I want to buy a plate that withstands organic solvents e.g. acetonirile and chloroform for fluorescence assay what is the most suitable plate material and is it disposable or can be reused?
13 July 2017 4,367 4 View
Cerium oxide was added into distilled water and tried to reduce using Sodium borohydride no observation was in result. What is the best solvent for the oxides to dissolve.
13 July 2017 3,279 3 View
I have doped KCaVo4;Sm with PMMA but it has very low intensity as compared to the pure phosphor. Intensity of pure powder is about 1000 a.u. whereas that of film is 15 a.u.
13 July 2017 6,784 4 View
I want to theoretically calculate the CTE of particle loaded glass reinforced vinyl ester composite? Which relation will give better results?
11 July 2017 4,155 3 View
I want to get an stequiometry 1:1 (MoN) using NH3 gas and MoCl5 in powder form, so i want to know, how to get or calculate the relation of this two precursors to form my compound. I will really...
11 July 2017 5,579 2 View
If the volume fraction of crystals is so small that XRD doesn't show it. Any method beside HR TEM?
11 July 2017 3,145 10 View
Did you investigated the porosity of geopolymer concrete (GPC) which seems to be obvious while observing its microstructure? What are the reasons of porosity in GPC? How can we reduce it by...
11 July 2017 7,569 3 View
To prepare an epoxy embedded sample for corrosion testing, what should be the grit size of abrasion paper to smoothen the surface of metal. Why should we use a particular abrasion paper?
10 July 2017 5,828 3 View
The Kissinger method is it used only for the phase transformation (precipitation) at the solid state? or it can be applied when we have the phase formation after melting Best regards
09 July 2017 8,156 2 View
I have several samples for particle size analysis, but the total mass is very small. Will be using a Coulter Counter or Malvern - any ideas on what the smallest mass is that I can use for a decent...
08 July 2017 4,091 3 View
I am trying to make a reasonably stable GaN suspension using its powder which has an average flake size of 200 nm. What are the best solvents for this purpose?
08 July 2017 8,051 4 View
Can I assume that the double alkali phosphate NaCrP2O7 has a structure like NASICON and is an ionic conductor? What electro-physical properties can be expected from the coating if NaCrP2O7 is...
07 July 2017 1,363 2 View
Increase in salt concentration (NaCl) in presence of block copolymer can generally increase the mesopore diameter and decrease the no of micropore. Is there any way that it can increase the...
07 July 2017 1,406 6 View
Hi all, I want to electroplate Titanium on steel. Most papers have discussed about molten salt as electrolyte. But can we use electroplating in aqueous media. Titanium is very reactive, will there...
07 July 2017 9,664 6 View
Hi, I am a master's student, I am trying to coat the Silica nanoparticles with LiOH. To make possible the LiOH precipitation on the Silica surface I chose to exploit the non-ideality of an...
07 July 2017 6,735 1 View