The concentration of the silver nitrate solution is not hugely important, but we recommend 0.1M. Preparing the Silver Tree demonstration is simple. It clings to protein though, so contact with your hair or nails can stain them blue, with the stain only removed by cutting the dyed body part off! Prolonged contact is certainly not good, but from experience though if you get this on your skin it is hardly dangerous if washed off immediately. If in contact with eyes, immediately wash for at least 10 minutes. Copper (II) nitrate is produced in the reaction which is harmful to ingest and irritating to the eyes. ![]() Stains skin and clothes brown, protective gear such as a lab coat should be worn to limit skin exposure. It can be very reactive so is best stored and handled away from bright light and other chemicals.
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