Is there correlation between adsorption of the methylene blue and BET for estimate of surface of carbon materials?

More Farrukh Tabarov's questions See All

Is it okay to divide data into three age groups and prepare separate (same structure) PLSPM based (SEM MODELS)?

The whole data was collected on Likert scale. I am using Prof. Gaston's plspm package in R for SEM modeling. I think different age groups must have differences. But, I can't test differences of...

01 December 2020 3,728 8 View

How to fix the warning message of "Warning message: Setting row names on a tibble is deprecated" in R?

I am using "PLSPM" package in R. I received a warning message of "Setting row names on a tibble is deprecated". I am not an expert in programming. I want to know what are the effects of this...

24 November 2020 9,984 5 View

Sample size calculation based on hospital population?

hi, if we are doing a single centered study, can we estimate/calculate sample size based on patients in that hospital? e.g i want to conduct a research on stroke patients. so my population will...

22 June 2020 5,217 5 View

How empathic concerns influence one's behavior through Theory of Planned behavior?

I am looking for some research articles, bulletin, research papers as a reference to support the idea that Empathic concern (one's feeling of empathy) influence the helping behavior via Attitude,...

24 April 2020 6,011 6 View

Can we Use wild rats in Ultraviolet A related experimentation?????

Hi all, can we use wild rats in experimentation for UVA exposed photoaged rat skin model. and later to use some biomedical materials to examine the anti-photoaging potential of that biomedical...

09 March 2020 8,619 3 View

Is there any package (tool) in R directly calculate Average variance extracted (AVE) and correlation among latent constructs?

I am doing SEM for a model consisting latent structure as model

08 September 2019 4,635 8 View

How to get rid of co-variances double head arrows among the demographic variables in semplot function with R-lavaan package?

I am using lavaan package to analyse my data and semplot to produce path diagram in R-statistical package software. Here is my model definition; >semmodel1

26 April 2019 945 3 View

Other than RACE PCR, is there any way to clone UTRs of a gene from a non-sequenced genome?

I want to clone UTRs of a gene from Mango cDNA.

17 December 2018 3,135 2 View

For electrical conductivity the value of resistance obtained by the LCR meter should be in series (Rs) or parallel (Rp)?

Films of RGO/PMMA composites are under study. Their electrical properties are required to be determined as Rs and Rp values are not same so which one should be used to convert the resistance into...

12 September 2017 3,540 2 View

Some time when we are doing application with R, the S.E become very large or NAN. As such situation what we can do?

When I use adequacy Model to fit the new probability model by use appropriate data sets.

18 July 2016 1,951 7 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

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

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Ali Nematollahzadeh

You may refer to:

https://www.researchgate.net/publication/223764112_Suitability_of_the_methylene_blue_test_for_surface_area_cation_exchange_capacity_and_swell_potential_determination_of_clayey_soils

Article Suitability of the methylene blue test for surface area, cat...

Hassan Alshamsi

Due to carbonaceous material possess high relative surface areas ,it's suitable to calculate surface area via adsorption of methylene blue . Please have a look at the below links:

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000300020

http://onlinelibrary.wiley.com/doi/10.1002/jctb.5010100303/abstract

Amin Shavandi

The area occupied by each molecule can be calculated on the basis of the surface areas of the adsorbent. To answer your question, I would say yes it is possible to do this estimation. but BET would be more reliable than the reverse calculation base on dye adsorption.