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Questions related to Gas
I use ammonia of 0.3g in a TPD experiment. I get 21.02 ppm of NH3 which I intend to convert it to micromole/g of NH3. I have got some feedback from professors but it seems to be a little...
03 July 2019 4,940 5 View
I have filled a Balloon with nitrogen gas and attached it to a test tube and place it in a sample cube of Princeten Fergie Raman Spectrometer.Liquids and solids are easily detected but i have...
03 July 2019 9,883 7 View
Assume a cylinder of gas with known pressure (P), temperature (T) and constant volume (V). This cylinder contains specific moles of air (n). Suddenly, a hole with diameter of (d) is formed on the...
29 June 2019 7,898 7 View
the formation of ammonium sulfide is delaying our progressing by blocking the gas line during hydrotreatment of heavy residue on hydrotreater with fixed bed reactors?
25 June 2019 3,593 3 View
I am doing the nitrogen gas adsorption and desorption for isotherm. I know the isotherm for montmorillonite is type B. However, for my isotherm, I don't know why the desorption line sharply do not...
24 June 2019 4,966 4 View
Temperature of a gas is measured in electron Volt. But I don't know how this is converted . Please help me understand.
14 June 2019 3,507 7 View
Hi dear researcher, i want to do the same optimization as the follows fminsearchbnd optimization with one of metaheuristic algorithm as GA: clear all clc % % %%%read data filename =...
12 June 2019 6,966 1 View
Hello all, I am looking for an appropriate explanation about the effects of sequencing platform on downstream analysis of RNA-Seq data. Here are the facts: 1) A RNA-seq data generated from...
12 June 2019 10,079 2 View
does anyone know literature or a paper where this is published?
06 June 2019 9,823 3 View
hi all, i have an Agilnet GC 7890a TCD. i was wondering how much sample injection is needed for the TCD detector to get a decent peak? for example, i dont get a good peak when i inject 5...
04 June 2019 2,506 11 View
If a superhydrophobic surface is immersed in water, some gas will be captured by the surface. Here comes the question that how thick is the gas layer? I know that it correlates with the immerse...
02 June 2019 3,983 1 View
What are the kinetics of the reaction between aqueous solution of ferrous chloride and chlorine gas, can it be considered as a diffusion process with chemical reaction?
28 May 2019 636 1 View
I working on adsorption of Arsine and phosphine from hydrocarbon streams such as propane, propylene, etc. Is there a test method that can be detect Arsine in the range of 1 ppb from these feed...
25 May 2019 5,099 1 View
I find silver ion can easily change it color at high temperature. Is it because Ag+ reduce to Ag0? But the atmosphere is an oxidized environment, how can it reduce?
22 May 2019 4,940 4 View
The electrical tomography can be utilized to calculate the solid concentration or gas holdup in aqueous based multiphase flows. However, there usually exists a strong nonlinear relationship...
17 May 2019 262 1 View
While doing the vertical excitation energy calculation in gas phase, I got a negative triplet energy. Can anyone suggest on how to rectify this?
15 May 2019 8,835 3 View
Please I need the data for my undergraduate project.
04 May 2019 7,083 1 View
I am designing a pbr reactor for the production of sinteis gas The data are: GHSV at stp: 5.1 * 10 ^ 5 cm3 g-1 h-1 conversion: 0.751 Flow of food: 15083 kg / h time on stream 4h Catalyst density:...
22 April 2019 9,020 1 View
I must measure the oxidation resistance of several cobalt-based super alloys. Since time is short, it might be a good idea to leave them in a tube furnace filled with pure oxygen to accelerate the...
12 April 2019 8,666 1 View
does any one know how can I deposit the layer with Amber (champagne) color as you can see in the attached pictures?
09 April 2019 3,890 1 View
i want to use graphite as a tube for transportation of pure anhydrous chlorine (Cl2) gas at 900°C .
08 April 2019 4,765 2 View
I have sputtered a layer of Ti on FTO and was hoping to perform anodization on the sample to obtain TiO2 nanotube. However, when semi-transparency is achieved, the TiO2 nanotube peeled along with...
17 March 2019 3,770 4 View
Hi everyone. We are trying to arrange D.O level in dilluted water. For example, we need dilluted water with 5 ppm D.O. . We can arrange it with N2 and CO2 gas but we also want to arrange with a...
15 March 2019 8,655 3 View
I want to make a solution of HCl and H2SO4, however mixing the two will create a lot of HCl gas and is quite dangerous. Is there a way to make this solution safely? Can I somehow mix HCl with a...
11 March 2019 8,022 4 View