Belladonna Tincture, is a widly used preparation that consists of an aqueous - alcoholic extract of belladonna leaves.颠茄酊是一种应用广泛的制剂.它是颠茄叶的水和乙醇浸出物.The aqueous phase was decanted and the granules were washed several times ...
This precipitate dissolves in an excess of aqueous ammonia.这个沉淀能溶解在过量的氨水中.Clearly aqueous preservative systems must possess a fixation mechanism.显然,水溶性防腐剂必须有固定的历程.Activated carbon, alumina are often used to remove many t...