19/30377048 DC

This standard 19/30377048 DC BS ISO 22590. Traditional Chinese medicine. Determination of Sulfur Dioxide in natural products by titration is classified in these ICS categories:

• 11.120.10 Medicaments

This document specifies the determination method of sulfur dioxide in natural products used in traditional Chinese medicine (TCM), which includes the requirements of the device, chemicals, operational procedures, formula etc. It is applicable to natural products of TCM, including Chinese materia medica (whole medicinal materials) and decoction pieces derived from plants or animals. It is not applicable to mineral drugs used in TCM.