"thiophene " CNS Standards List| Plastics − | Iron ores—General | Hose assemblies | Rubber insulated | Automatic identification | Method Test | Method Test | Valves liquefied | |
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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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