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STANDARD 9306
First edition
2023-11
Traditional Chinese medicine —
Ephedra sinica, Ephedra intermedia
and Ephedra equisetina herbaceous
stem
Reference number
ISO 9306:2023(E)
© ISO 2023
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ISO 9306:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 9306:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Description . .1
5 Requirements . 2
5.1 General characteristics . 2
5.2 Morphological features . 2
5.3 Microscopic identification . 3
5.4 Thin-layer chromatography (TLC) identification . 4
5.5 Foreign matter . 4
5.6 Moisture . 4
5.7 Total ash . 4
5.8 Heavy metals . 4
5.9 Pesticide residues . 4
5.10 Marker compounds . 4
6 Sampling . 4
7 Test methods .
...