-40%
Potassium Metal Element Sample 99.6% 5g US Ship
$ 11.08
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Description
POTASSIUM METAL ELEMENT SAMPLE 5g US Shipping. Condition is "New". Shipped with USPS First Class.Buyer will receive at least 5g of relatively clean potassium metal under mineral oil. This is a nice sample for an element collection. Could also be used for some small experiments. Potassium forms blue, black, and yellow oxides on exposure to air, and will even oxidize slightly with time under mineral oil.