Colloidal guides

Drei Goldnanopartikel-Dispersionen mit unterschiedlicher Teilchendichte im Labor
Colloidal gold PPM: reading concentration labels correctly
Understand the difference between gold mass, particle number and particle properties, and why a PPM value is not a measure of effectiveness. Read more...
Drei Laborgefäße mit unterschiedlich dichter Silberpartikel-Darstellung zur Erklärung von PPM
PPM in colloidal silver: what the concentration means
Compare 25, 50 and 100 ppm and see how 500 ppm fits in. A clear table separates concentration, bottle size and packaging from quality claims. Read more...
Was ist Kolloidales Silber
What is colloidal silver? Particles, ions and PPM explained
A practical introduction to colloidal silver: how particles differ from ions, what PPM measures and which product details deserve closer attention. Read more...