| 摘要 |
In gas chromatographic analysis, the consumption of a sample and the consumption of a carrier gas are reduced. In a direct injection unit (8), a small-capacity syringe (11) having a volume that exceeds 0 mul and is less than or equal to 0.5 mul , and a small-capacity insert (7) having a volume that exceeds 0 ml and is less than or equal to 0.4 ml are used. Besides, in a split injection unit (28), a small-capacity syringe (11) having a volume that exceeds 0 mul and is less than or equal to 0.5 mul and a small-capacity insert (7) having a volume that exceeds 0 ml and is less than or equal to 0.4 ml are used, and the split ratio during analysis is less than or equal to 3.
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