How to measure the particulate size of silicon compounds in seawater/ fresh water?

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Mohammad Kooti

DLS method can be used to measure the size of particles in solution .

Ali Nematollahzadeh

If the particle size is in nano-submicron range (or close to submicron size, depending on the instrument specification) use light scattering (DLS), otherwise go for Laser diffraction based instruments (PSA).

Roughly: DLS: 1 nano to 10 micro

PSA: 100 nano to 1000 micro

For corrosion you may use potentiostat/galvanostat.

Muntazir Abbas

Many thanks sir,muhammad kooti and sir Ali.