Why double band appeared on TLC plate?

More Kartik R. Roy's questions See All

Which DL architecture is better to work on handwritten data?

I am working in the area of Handwriting recognition for Bangla. As there are many DL architecture, I am confused which one to select.

15 February 2021 4,996 1 View

Does diseases like fungal,bacterial etc of rice plant is different from nutrient deficiency diseases?how deep learning is used except classification?

can any one suggest me other than classification, how deep learning technique can be used in plant disease detection in rice plant? could a research work continued from fungal,bacterial...

07 February 2021 470 2 View

Do you have any experience of taking astaxanthin supplement?

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29 January 2021 7,861 2 View

Without using a course aggregate why the topic is named as Textile Reinforced Concrete? & why not it is named as Textile Reinforced Mortar Cement?

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24 January 2021 2,654 9 View

What is the use of vaccination without follow-up tests for assessing the corresponding antibodies ?

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23 January 2021 6,170 2 View

How to remove/reduce Back Reflection from Objective?

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18 January 2021 2,062 8 View

How to calculate binding energy and different interactions from a pdb file of protein-ligand complex?

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14 January 2021 2,321 2 View

In a xrd pattern how to check if any of the peak is due to presence of super lattice(SL)? Any conditions to check & confirm SL peaks?

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07 January 2021 5,534 3 View

Why there is no increase in virus titer after 24 hour of seeding for harvest?

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05 January 2021 3,860 2 View

What etchant should be used for Annealed 17-4 PH stainless steel sheet ??

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03 January 2021 9,836 2 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

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03 March 2021 5,997 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

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03 March 2021 2,350 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

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02 March 2021 4,359 3 View

Waters 2707 HPLC autosampler problem?

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02 March 2021 1,408 1 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

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How to normalise data on OPM package from R Studio ?

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02 March 2021 3,584 1 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

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02 March 2021 7,829 3 View

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How optimize the Size Exclusion Chromatography?

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01 March 2021 2,215 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

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01 March 2021 8,235 2 View

Gunawan Indrayanto

Hi, Did you have pure standard? Did you mean that your standard appeared as 2 bands (or two spots)? Please check the spectra UV/VIS of the two bands, check also the purity of those two bands. It could be your standard was not pure compound.

Hendy Suhendy

- Make sure the purity of the standard compund using 2D TLC

- Check also contaminant compund on the solvent