Packaging and storage
Preserve in well-closed containers.
Botanic characteristics
Consists chiefly of yellowish brown to yellow, more or less irregular and granular fragments of latex, varying from 15 to 150 µm in diameter; a few fragments of strongly lignified, thick-walled, 4- to 5-sided or narrowly elongated, epidermal cells of the poppy capsule; very few fragments of tissues of poppy leaves, poppy capsules, and, occasionally, Rumex fruits. In addition, there will be the microscopic characteristics of the diluent if any has been used in the preparation of the powder.
Assay
Proceed with Powdered Opium as directed in the
Assay under
Opium.