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
PPM is a concentration ratio. Discover what it tells you about silver content and why it cannot establish particle size, purity or effectiveness. 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...