In organology, I repeatedly experience deficiencies of
Colloidal gold . I've seen that there are more colloidal metals available. The manufacturer Trimedea offers a wider range of products. https://trimedea.com/produkt/kolloidales-rhodium/
You can also scan for other metals. Currently, only gold and zinc are available. I would also be interested in chromium, iron, and germanium.
All my love, Claus
We don't have standalone chromium IC in the current database. Two good interim options that include chromium are: