I need an explanation of redness of TIB KAT 256 catalyst (Monobutyltin Oxide)
How can I prepare Trimethylolpropane trimethacrylate (TMPTMA)? I know that I have to start with Trimethylol propane (TMP) and methacrylic acid (MAA) in 1:3 but I don't know the right condition to...
11 January 2022 9,085 3 View
I have 1HNMR data. But we do not know how to quantify the degree of branching for the hyperbranched polymers from the area under the curve. Please suggest step by step procedure how to quantify...
25 June 2020 9,885 0 View
I need to know the theoretical calculation of Hydroxyl number of reaction of -COOH of polyester with epoxy group of any compound
24 July 2018 7,614 3 View
I need an ASTM method for determination acidity of MDI for use in the production of polyurethane to avoid gellation.
08 September 2017 965 5 View
I search an accurate method for determiantion hydroxyl value in Hydroxy acrylic resin, saturated polyester resin and alkyd resin.
15 March 2017 2,068 3 View
02 March 2017 7,113 3 View
Reactivity ratio of monomer in polymerization reaction
11 December 2015 9,409 1 View
How can i read IR chart ?
16 November 2015 8,960 5 View
10 November 2015 6,246 6 View
Metal-containing heterogeneous catalysts often need to be calcined before reduction, so what are some examples of catalysts that perform better without calcination? What is the reason and how many...
05 August 2024 909 2 View
Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...
04 August 2024 5,974 3 View
Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...
03 August 2024 5,392 1 View
I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...
03 August 2024 5,384 0 View
How to calculate the molar proportions of the oxides from the XRF analyses?
02 August 2024 2,565 2 View
Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco
29 July 2024 2,163 1 View
I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...
28 July 2024 8,027 3 View
Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...
26 July 2024 3,460 2 View
I'm trying to sinter some Nb parts and I'm trying to find a binder which does not produce oxidative compounds when it decomposes.
25 July 2024 9,823 3 View
FYI Catalyst is MFI zeolite Si/Al = 140,25.40.11.5,15 I am using this catalyst to study methanol to DME conversion
25 July 2024 2,486 2 View