What is the minimum pH to be maintained to keep the cotton from corroding or decomposing when kept in an acidic medium?
it is sulphuric acid which decomose cotton however acetic acid mixed with acetic anhydride dissolve it
I have given my vanadium oxide sample for X-Ray diffraction, I'm hoping to get the results soon. Could anyone share me the relevant XRD pattern for Vanadium Oxide (VO2) which I could use as a...
01 February 2020 7,766 7 View
Are anhydrous compounds are just the concentrated form of hydrated compounds? Or do they really pose a chemical significance during synthesis reaction? Is it acceptable to use anhydrous compounds...
09 October 2019 6,571 6 View
I'm in need of ammonium tungsten. I have the ammonium metatungstate in my lab. How do i synthesise it?
09 October 2019 9,551 2 View
I added V2O5 as precursor for vanadium 0.5g in 30ml of DI water. I added 0.5g of oxalic acid anhydrous in 10ml of DI water, which functions as a reducing agent. I added the reducing adent to the...
09 October 2019 7,362 4 View
I have to do synthesis of W doped VO2 for which the oxalic acid dihydrate was used as reducing agent according to research paper :Tungsten doped M-phase VO2 mesoporous nanocrystals with enha... i...
09 October 2019 4,578 4 View
I have chosen VO2 as a counter electrode material for DSSC application. To find out it's CV do I have to coat it on a TCO or a normal glass slide coating would suffice?
09 October 2019 1,718 2 View
i'm working on counter electrodes for DSSC. VO2 shows good thermochromic property. Are there other transitional metal oxides which show the same effect? What is the physics behind this significant...
09 October 2019 6,369 3 View
Can we have a easy approach of using a different material other than Pt in DSSC without compromising the performance of DSSC
07 August 2019 4,635 4 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...
03 March 2021 8,796 3 View
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
03 March 2021 4,892 5 View
What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...
03 March 2021 1,401 3 View
I looking for ferro calcium production process
03 March 2021 1,755 4 View
I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...
03 March 2021 3,661 2 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...
02 March 2021 4,119 3 View
The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...
01 March 2021 2,272 4 View