Packaging and storage
Preserve in tight containers,and store in a cold place.
Labeling
The label states the Latin binomial and,following the official name,the part of the plant source from which the article was derived.The label indicates that Syrup is not to be used if it has a terebinthine odor or taste or shows other indications of deterioration.
Assay for citric acid
To 20.0mLof Syrup add 20mLof water,add phenolphthalein TS,and titrate with 0.1Nsodium hydroxide VS.Each mLof 0.1Nsodium hydroxide is equivalent to 6.404mg of citric acid (C6H8O7).