"thiophene" CNS Standards List| Essential oils | Railway applications | Railway applications | Liquid hydrogen | Stable light | Mica Film | Method Test | Method Test | |
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CNS 6836
2023 Edition Method of test for thiophene in benzene 苯中噻吩檢驗法（比色法） |
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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） |
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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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