How to solve convergence failure issue of methylene blue dye in gaussian?

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I am having problem in handling HPLC, ELICO - make , can anyone help me out in this?

while operating this ISOCRATIC HPLC, ELICO MAKE, with C-18 Column, 1ml/min, Manual injection i get only hill like peaks and nothing else. i have also tried various mobile phases but at the end i...

21 November 2022 6,364 7 View

How can I measure pore size and porosity from SEM images?

I have top section and cross section of active side of the membrane. so is it possible to calculate the actual pore size and porosity of the membrane? Thanks.

05 May 2020 352 13 View

Any body working on Australia Origin Duboisia Myoporoides Leaves??

Duboisia myoporoides is an Australian origin plant and mostly found in the regions of Queensland and South Wales . I am doing research on Alkaloidal plant and require some sample of the above plant.

25 October 2019 3,033 0 View

How to calculate the equivalent circuit resistance and curve fitting in Zsimpwin software ?

I want to find the equivalent circuit resistance of my IL based EDLCs by curve fitting in Zsimpwin software. so please help me. Thanks.

10 April 2019 8,641 1 View

How to find standard oxidation and reduction potential from Gaussian View?

currently, i am working on electrical double layer capacitor. so i would like know that how to calculate the standard oxidation and reduction potential of Ionic Liquid by using Gaussian View...

08 March 2019 3,172 7 View

What is the percentage (%) amount of 18β-glycyrrhizic acid in Total Glycyrrhic acid?

I have a procedure for analysis of total Glycyrrhic acid in Liquorice Dry Extract. But I want to evaluate 18β-glycyrrhizic acid. Can anybody tell me what is the percentage content of...

10 October 2014 4,026 2 View

What is the best way of reducing bioburden in a finished powdered product?

I have a problem of high bio burden (TAMC TYMC E choli etc) in some of my products. I have managed to reduce Yeast and Fungi with dry heating at 100 C but i am not able to reduce E .Choli . Please...

19 July 2014 9,100 3 View

Does anyone know the solubility, assay and other information on berberine citrate?

I am working on the manufacturing of berberine citrate in my lab. I am unable to find out the actual technical properties of berberine citrate including its solubility, assay and other information.

25 October 2013 2,078 0 View

Can anyone suggest a simple method of determination of chloride in berberine tannate?

Please suggest a simple method of determination of chloride in berberine tannate. The method given in JP (Japanese Pharmacopoeia) is very complicated and is very confusing. Please suggest any...

17 August 2013 4,032 2 View

Please tell me the assay method for calculation of phosphate in sodium hexametaphosphate

28 February 2013 9,090 2 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

My frequency output shows no errors, however, there's no frequency as a result on gausview. Does anyone know what I'm doing wrong?

I'm trying to perform a frequency calculation using Gaussian via MOBAXterm. The output shows no errors, however, there's no frequency as a result on gausview. The option "vibrations" is not...

31 July 2024 631 4 View

Can a photocatalytic degradation of methylene blue from red mud be pseudo- zero order kinetics?

My photocatalyst from solid waste red med. Dye is methylene blue My all parameter study is showing zero order. How to prove it further that the reaction in zero order?

29 July 2024 7,404 1 View

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program?

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...

28 July 2024 9,165 2 View

Waht is the effect of isoelectric point on MB dye photodegradation by ZnO nanoparticles?

Recently I have submitted an article regarding MB dye degradation by ZnO nanoparticle. I received a suggestion to include the discussion on the effect of pH. I want to know what is the impact of...

19 July 2024 4,868 1 View

Is is possible to calculate the activation energy of Redox Reactions Using Gaussian?

Hi everyone, I'm working on calculating the activation energies for some redox reactions using Gaussian, Here are the reactions I'm interesting: Py•−+ 3O2 → Py + 3O2•− Py•− + 1O2 → Py + 1O2•− Is...

18 July 2024 4,418 3 View

Please, from the computational calculations of an organic compounds using Gaussian program?

Using DFT/B3LYP/6-311++G

17 July 2024 7,720 1 View

What is wrong with my input file?

im studing gaussian 16 with reading paper about I-131 Metaiodobenzylguanidine in the paper "In a similar vein, nuclear magnetic resonance shielding values were investigated using the widely...

16 July 2024 6,040 4 View

Franklin M. Fisher (1983) Disequilibrium Foundations of Equilibrium Economics. How is it estimated now? How is it related SMD results?

Fisher studied if there is an out-of-equilibrium process that rapidly converges to some equilibrium points. He claims that Hahn process has a Lyapounof function and therefore convergent to an...

15 July 2024 1,460 4 View

Help me to identify these fungal slides?

These fungal slides are isolated from cultured Bread mold on PDA media and smear is treated with Lacto phenol Blue dye ..

13 July 2024 9,701 1 View