Can anyone explain how to calculate particle size from ultraviolet-visible (Uv-Vis) spectra?

10 November 2016 1,004 5 View

How can I synthesis Cobalt oxide nanoparticle? is it magnetic?

what's material must be used?

09 October 2016 4,417 3 View

What's the minimum transmission or maximize absorbance can be used for quantitative analysis in uv/vis spectroscopy and why?

solution is not important

09 October 2016 9,920 4 View

How can I confirm the structure of nano Iron oxide@Poly dopamine (Fe3O4@PDA) particles with XRD? What are the characteristic peaks?

below file is my XRD peak

09 October 2016 802 16 View

How can I prepar complex of Co(DMG)2 solution?

How can I prepar complex of Co(DMG)2 solution for Uv/Vis determination from CoCl2.6H2O? what's the condition?

09 October 2016 5,645 2 View

I need to know How prepare complex of Cu(DTPA) for determination by UV/VIS??and what's the color of Complex?

DTPA=pantetic acid Mw=393.35 gr/mol

05 June 2016 8,010 0 View

What's the adsorbent and instrument for analyse?

01 January 1970 2,814 0 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View