Precipitation reaction Back Reaction with silver nitrate prepared in ammonia Cortical hormones Silver nitrate Silver precipitate Ammonia black Reaction with silver nitrate Steroid hormones Silver nitrate Silver salt precipitate alkynyl white
Precipitation reaction Reaction with silver nitrate prepared in ammonia Cortical hormones Silver nitrate Ammonia Silver precipitate ( black ) Reaction with silver nitrate Steroid hormones ( alkynyl ) Silver nitrate Silver salt precipitate ( white )
Melting points of derivatives The formulation of ketoxime(酮肟) CH CH3 C=0 C=NOH + 2HONH2 +2H2O HON ( Progesterone黄体酮) (Melting point: 235-240C)
Melting points of derivatives The formulation of ketoxime（酮肟） O C O CH3 C HON NOH CH3 + 2HONH2 + 2H2O （Progesterone 黄体酮） （Melting point: 235~240℃）