How to determine the pore shape from a N adsorption desorption test?

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Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 979 5 View

How are Large Models Exploring and Outputting Knowledge Understanding in Specific Content Areas, and What Does Academic Research Say About It?

Hello everyone！ I am currently exploring the performance of large models in understanding knowledge in specific domains, and attempting to construct a knowledge framework similar to what...

05 August 2024 5,729 2 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,357 0 View

How do i get an account to upload my published papers?

need to open an account to upload my published papers

01 August 2024 9,255 1 View

What is the problem with these tissue culture plants?

All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.

01 August 2024 589 4 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,226 1 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

Which statistical test should we use?

N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.

30 July 2024 7,233 4 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 905 2 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 979 5 View

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View

How to calculate pseudo order kinetics?

I know the rate law. But for my photo-catalytic experiments, first 90min is adsorption (dark) and next 150min is under UV light (total 240min). How to remove the adsorption part for calculation?...

21 July 2024 8,805 6 View

Can Langmuir constant related to bonding energy (Kl) and Freundlich exponent (1/n) indicative of ads intensity show opposite trends with temperature?

The adsorbate is Arsenic and the adsorbent is a soil

18 July 2024 332 8 View

Can we calculate the CO2 adsorption capacity(mmol/g) of a solid adsorbent (MOF) using CO2_TPD analysis?

what is the relationship b/w TCD signal(a.u) and CO2 desorbed (mmol/g) ? can we plot CO2 desorbed(mmol/g) Vs Time(min) from TPD data?

15 July 2024 3,248 1 View

How to decrease hydrophobicity of Ni-foam?

As, my studies are related to water adsorption, the substrates should be hydrophilic in nature. Ni-foam being hydrophobic in nature, the results are not as expected as in literature. Hence i...

14 July 2024 8,847 4 View

How do I identify And count the number of active sites of an adsorbent?

Jarosite is obtained from bioleaching residue and I want to determine if there are increased active sites biogenic jarosite compared to chemical synthetic jarosite.

10 July 2024 8,132 2 View

Surface adsorption with the help of iron and UV/H2O2 is innovative?

1.The topic I am going to research is "Advanced Gray Wastewater Treatment Output from the Biological Process by Iron-assisted surface adsorption and UV/H2O2". I think this method has been used a...

08 July 2024 9,464 1 View

What does a decreasing 𝐶𝑒 vs. 𝑄e plot indicate in an adsorption isotherm?

I am conducting adsorption experiments in a liquid medium, and one of my samples showed a decrease in Qe values with an increase in Ce. Has anyone encountered this behavior before? What does it...

26 June 2024 7,304 2 View

What basis set/basis sets will be useful for DFT (using Gaussian16) of cerium ion adsorption?

24 June 2024 6,926 3 View

Fernando Vallejos-Burgos

You can infer many things from the shape of the adsorption hysteresis.

There are tons of documents about this. A good start is the book of Rouquerol (Adsorption by Powders and Porous Solids) describing the shapes of hysteresis loops (Section 8.6).

With Google you can find lots of answers. Good luck!

Arvind Singh

Please check the PDF attachment.

Firoz Ahmad

http://www.fhi-berlin.mpg.de/acnew/department/pages/teaching/pages/teaching__wintersemester__2013_2014/annette_trunschke__surface_area_and_pore_analysis__131101.pdf

Absorption coefficient of methane?

How are Large Models Exploring and Outputting Knowledge Understanding in Specific Content Areas, and What Does Academic Research Say About It?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

How do i get an account to upload my published papers?

What is the problem with these tissue culture plants?

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Which statistical test should we use?

How to build my own lab made four point probe set up?

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Absorption coefficient of methane?

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

How to calculate pseudo order kinetics?

Can Langmuir constant related to bonding energy (Kl) and Freundlich exponent (1/n) indicative of ads intensity show opposite trends with temperature?

Can we calculate the CO2 adsorption capacity(mmol/g) of a solid adsorbent (MOF) using CO2_TPD analysis?

How to decrease hydrophobicity of Ni-foam?

How do I identify And count the number of active sites of an adsorbent?

Surface adsorption with the help of iron and UV/H2O2 is innovative?

What does a decreasing 𝐶𝑒 vs. 𝑄e ​plot indicate in an adsorption isotherm?

What basis set/basis sets will be useful for DFT (using Gaussian16) of cerium ion adsorption?

What does a decreasing 𝐶𝑒 vs. 𝑄e plot indicate in an adsorption isotherm?