what is black reaction in class 9th
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Black reaction is a silver staining technique which was first done by Camillo Golgi. It helped to study about the nerve cells. ... The silver nitrate solution reacted with the potassium dichromate and formed fragments of silver chromate on the cell membrane. Those fragments were black, hence the name black reaction.
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THE REACTION IN WITH THE WEAK SILVER NITRATE(AgNO3) SOLUTION WAS POURED IN THE NERVED CELL OF OWL. AFTER FINDING THE BLACK FEAGAMENT SPOT, IT WAS KNOWN AS BLACK REACTION. IT WAS DISCOVERED BY CAMILLO GOLGI. AFTER THIS THE GOLGI BODY WAS DISCOVERED. HE GOT THE NOVEL PRIZE IN 1906.
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