A 1g sample of Potassium metal under oil in a screw top vial.  Purity is 99%.  If you buy more than one, we'll combine into a single vial unless otherwise specified at checkout.  Sorry no international shipping (International buyers, your order will be cancelled if it contains this item or any one of the following: Arsenic, Cesium, Chlorine, Bromine, Gallium, Lithium, Mercury, Rubidium, Sodium, Thallium, Thorium, Uranium, Amorphous Phosphorus, White Phosphorus or the Complete Element Set) 

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