"Pyrogallol Pyrogallic " CNS Standards List| Symbols Sequential | Test Methods | Method capping | Procurement guidelines | Method Test | Methods Determination | Method Test | Glossary Terms | |
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CNS 14293
2020 Edition Pyrogallol Pyrogallic Acid 1,2,3-Trihydroxybenzene 實驗室用參考示溫錐 |
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