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ISO 22590:2020

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

Nov 3, 2020

General information

90.60     Mar 5, 2026

ISO

ISO/TC 249/SC 1

International Standard

11.120.10  

English  

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Scope

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.

Life cycle

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PUBLISHED
ISO 22590:2020
90.60 Close of review
Mar 5, 2026