chemistry experiments for children

caused the silver to separate from the silver chloride in the exposed areas, and
since the silver is dark, those areas became dark. The solutionsthatyou later
dipped the paper into caused the remaining silver chloride to dissolve and
transformed the pure silver into an insoluble silver saltthatwon'twash away.
Many years ago, aFrenchmannamed Louis Daguerre discovered how to do
justwhat you have done, but instead of paper he used pieces of silver. Later
photographersmadetintypes,which were simply Daguerrotypes made on tin
plates instead of silver ones.