Chemistry, asked by rajib496, 1 year ago

Is it possible to extract mass concentration from DLS measurement?

Answers

Answered by Anonymous
2
Héy buddy!!

So, Thé ÃnSwer is -- On the other hand, if the sample is too concentrated, then multiple scattering can occur. ... So, at the same mass concentration, it is more likely for small particles to experience the non-self-diffusion motions. Figure 6. Particle concentration effects on themeasurement of hydrodynamic diameter by DLS

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Answered by Anonymous
5
Hey mate ^_^

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Answer:
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Yes, there are two possibilities:

=> The solvent is good and the polymer chain is in an expanded random coil shape.

=> The solvent is poor and the chain is collapsed into a globule (precipitates).

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