When the Coppock Curve gets down to a very low level and then turns up, it signals an important long term entry point. Coppock was a money manager who wanted to find the really great long term buy signals, and was not so much interested smaller swings.
It is inserted in the apparatus set-up between the reaction container and the gas collection system. It is packed with a solid water absorbing drying agent e.g. anhydrous calcium chloride (not for ammonia), calcium oxide (not acidic gases like sulphur dioxide, carbon dioxide and chlorine), anhydrous sodium sulphate.
Carbon dioxide gas from a cylinder is bubbled through limewater and calcium carbonate solid is formed causing the limewater to become cloudy. Catch carbon dioxide gas in a jar from a burning bunsen burner. Pour in fresh limewater and it will become cloudy indicating that there was in fact CO2 in that jar.arbon dioxide gas from a cylinder is bubbled through limewater and calcium carbonate solid is formed causing the limewater to become cloudy. Catch carbon dioxide gas in a jar from a burning bunsen burner. Pour in fresh limewater and it will become cloudy indicating that there was in fact CO2 in that jar.