Potassium Type Series colloidalis silica est species silicae fol, suspensio partium silicarum colloidalis in liquida, aqua typice. The " genus potassium" refers to the type of cation (positive charge ion) present in suspension, in this case, potassium. "series" ad magnitudinem partium silicarum in suspensione indicat. Silica colloidalis vulgo dispersor vel densior in variis applicationibus industrialibus et laboratoriis adhibetur.