You can use a scanning photospectrometer.

Marshall

Robert Berger wrote:

> Terry, We  have  no way of measuring particle size short of a TEM
> which is $75.00 to $100.00. I know that my assymeterical electrode
> setup does made particles (ions) that measure from subnano to 28
> nanometers based on work from "natural-immunogenics" "Ole Bob"
>



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