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> Subject: letter from J.K.Parida, India
>
>
> Dear colleagues,
> Please pay attention to the following points.
> 1. what is the criterian to be followed in order to know whether a sample is
> dense / dilute system. Will we consider all solids as dense and all liquids as
> dilute ? please explain.
> Note : In the past work had been done on silk and jute considering those as
> dilute systems though these are solid fibres.
> 2. suppose we prepared a sample. How to know it is monodisperse / polydisperse
> ?
> Note : if Mn = Mw then the system is monodisperse otherwise it is
> polydisperse. Hence I think without estimating Mn and Mw from experimental
> data of scattered intensity it is not possible to say what type of system the
> sample is. Please explain.
>
> Kindly reply early.
> With regards,
> Yours sincerely,
> Mr.J.K.Parida,
> India
Questions from J. K. Parida (India)
- Subject: Questions from J. K. Parida (India)
- From: "John D. Barnes" <john.barnes@nist.gov>
- Date: Thu, 05 Apr 2001 21:25:25 -0400
- reply-to: JDB.Science, LLC.jbdsci@speakeasy.org
> Subject: letter from J.K.Parida, India
>
>
> Dear colleagues,
> Please pay attention to the following points.
> 1. what is the criterian to be followed in order to know whether a sample is
> dense / dilute system. Will we consider all solids as dense and all liquids as
> dilute ? please explain.
> Note : In the past work had been done on silk and jute considering those as
> dilute systems though these are solid fibres.
> 2. suppose we prepared a sample. How to know it is monodisperse / polydisperse
> ?
> Note : if Mn = Mw then the system is monodisperse otherwise it is
> polydisperse. Hence I think without estimating Mn and Mw from experimental
> data of scattered intensity it is not possible to say what type of system the
> sample is. Please explain.
>
> Kindly reply early.
> With regards,
> Yours sincerely,
> Mr.J.K.Parida,
> India
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