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2:27
YouTube
NurdRage
Test for Lead Using Potassium Rhodizonate
In this video we're going to test for lead using the potassium rhodizonate we made in a previous video. Warning: Lead is neurotoxic, wear gloves when handling anything suspected to contain it. Dissolve as much as possible of 0.3g of potassium rhodizonate in 100 mL of 5% acetic acid solution. Apply this solution to absorbent paper and rub it ...
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