1 gram of potassium metal 99.8% pure in glass vial under mineral oil. The mineral oil prevents but doesn’t entirely stop the oxidization of the potassium metal, hence the purple hue.
20122 Potassium
1 gram of potassium metal 99.8% pure in glass vial under mineral oil. The mineral oil prevents but doesn’t entirely stop the oxidization of the potassium metal, hence the purple hue.