What pressure range is the Ideal gas equation applicable?
I use transition metal precursors as active components on the alumina support, I saw one method from the publication where pH was not adjusted when preparing the catalyst. My understanding is,...
06 July 2018 1,026 0 View
I am using SiO2 and Al2O3 as support materials in catalyst development and in some methods it is mentioned that the support is dried (pre-heating in the oven) before impregnation. I want to...
06 July 2018 2,654 0 View
I am using peak areas to calculate moles so as to get conversion and selectivity for the reaction I run. I decreased the volume from what I have been using all along to get area that is within the...
06 July 2018 5,036 1 View
I am doing a catalyst (Silica & Alumina supported) characterization using X-ray diffraction. I am looking for a reference spectra for CuO and Ag.
01 January 1970 4,329 7 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.
07 August 2024 4,526 4 View
Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...
06 August 2024 4,953 0 View
Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...
06 August 2024 977 1 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...
05 August 2024 4,945 3 View
or we can collaborate
01 August 2024 6,705 2 View
I am working on algal extract to which gas chromatography (Not GC-MS) spectrum I want to discover. My question is can we identify specific compounds using retention time if I compared the RT with...
29 July 2024 8,034 4 View
List down the various factors responsible and how does this effect the overall biogas production when it is related to Hydraulic retention time of the digester based on the feedstock?
27 July 2024 4,800 4 View
Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?
22 July 2024 1,210 2 View
