Examples from the Web for narceine
On boiling the filtered solution, to expel the ammonia, and evaporating the liquid, crystals of narceine are gradually deposited.Cooley's Practical Receipts, Volume II|Arnold Cooley
The precipitates produced in solutions of narceine and codeine are crystalline and very characteristic.
Narceine forms good crystals, the form being that of long, four-sided rhombic prisms or fine bushy united needles.
Narceine forms precipitates with bichromate of potash, chloride of gold, bichloride of platinum, and several other reagents.
Papaverine, laudanosine, narcotine, and narceine are four other alkaloids found in opium.The Chemistry of Plant Life|Roscoe Wilfred Thatcher