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Chinese National Standards
中華民國國家標準
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"thiophene" CNS Standards List

K-Chemical Industry
CNS 6836    2023 Edition
Method of test for thiophene in benzene
苯中噻吩檢驗法（比色法）
K-Chemical Industry
CNS 6837    2019 Edition
Method of Test for Traces of thiophene in Benzene Using Isatin and Spectrophotometry
苯中微量噻吩檢驗法（分光光度計法）
K-Chemical Industry
CNS 6836    2019 Edition
Method of Test for thiophene in Benzene
苯中噻吩檢驗法（比色法）

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