How to use equation of Mie theory to analyze size nanoparticle of gold nanoparticles?

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Ainin Razak

yes , same literature that I read right now but I am having trouble which equation of av. diameter do i need to choose. How I should decide which particles size range that I have? Robin N Klupp Taylor

Because I am confused the eqn to estimate diameter have two choice -eqn 10 n 11. As for eqn 10, it state that diameters should range from 35- 100nm whereas for eqn 11 from 5-80nm.I didnt know how to decide which range of diameter np i have. Btw thank youu for your explanation, i appreciate a lot

Thank you very much for your help, now I get the idea.