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Types of Colloidal Silver
sounddoctrine Views: 4,441
Published: 9 years ago

Types of Colloidal Silver

I came across this information on cgcsforum and thought i'd pass it along because I found it useful for me for understanding the different types of CS made by electrolysis.

The administrator has been a physicist for years and a proponent of Ionic and Colloidal Silver . His opinion is unbiased and he isn't selling anything.

"First, we need to realize that there are three kinds of silver: Ionic, plain (naked) metallic nanoparticles, and stabilized (capped) metallic nanoparticles.

Ionic Silver: This is silver oxide or (hopefully not) silver chloride.


Easy to make.
Good for external use
Implicated in causing argyria by reacting with sulfur and selenium compounds in the body.
Photosensitive, should be stored in the dark.
Temperature sensitive, must not be chilled (silver oxide will precipitate out).
Can cause staining as silver reduces to metal on contact with surface.
Cannot be made above 20 ppm.

Stabilized Metallic Silver (Stabilized with edible food product)


Long Shelf Life.
Not sensitive to temperature or light.
Can be made in very high ppm concentrations.
Easily obtainable stabilizer/reducing agents.
Sodium Citrate.Maltodextrin.Cinnamon extract.Glucose/Fructose/Karo Corn Syrup.
Easily obtainable electrolytes.
Sodium Carbonate. (Washing Soda)
Fastest process time with constant current.
5 Minutes for 250ml 20 ppm.
80 Minutes for 250ml 320 ppm.
High conversion efficiency.
Minimal silver lost to cathode when using sodium based electrolyte.
Minimal silver lost to silver oxide precipitate on anode.
Perfect for internal use.
Best range of particle sizes.
No ionic content - Lowest risk of argyria.


Requires heating equipment.
Is not as effective for external use.
Stabilizer encapsulate silver and prevents contact with pathogen.
May depend on the exact kind of stabilizer.

Naked Metallic Silver (Heat Reduction method)


Easy to make.
Can be made in higher strengths than ionic.
Less risk of argyria.
Can be used externally or internally.
Can be made without electrolyte or with for faster more efficient production.
Sodium Carbonate. (Washing Soda)
Not temperature or light sensitive.

Requires heating equipment.
May still contain ionic content.
Should not use salt for electrolyte.
Greater range of particle size (turbidity) compared to stabilized CS.
More silver oxide remains undissolved on anode (lower conversion efficiency)."

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