"naphthene " CNS Standards List |
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CNS 14831
2019 Edition Method of test for oxygenates and paraffin , olefin , naphthene , aromatic(O-PONA)hydrocarbon types in low-olefin spark ignition engine fuels by gas chromatography 低烯烴汽油含氧化物、飽和烴、烯烴、環烷烴及芳香烴(O-PONA)測定法(氣相層析法) |
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