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ISO 22590:2020

Traditional Chinese medicine — Determination of sulfur dioxide in natural products by titration

General information
Valid from 03.11.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
03.11.2020
Main
This document specifies the determination method of sulfur dioxide in natural products used in traditional Chinese medicine, which includes the requirements of the device, chemicals, operational procedures and formula. It is applicable to natural products of traditional Chinese medicine, including Chinese materia medica (whole medicinal materials) and decoction pieces derived from plants or animals. It is not applicable to minerals used in traditional Chinese medicine.
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