Injection headspace GC-MS

Agilent7890A + 5975C 1. Operating Conditions 1.1 Power: 220V, 50Hz 1.2 Temperature: Operating Environment 15 C-35 C 1.3 Humidity:?? Operating state 25-50%, 10-95% non-operating state 2. Performance Indicators 2.1 Gas Chromatograph 2.1.1 Operation 2.1.1.1 oven temperature: room temperature above 4 C-450 C 2.1.1.2 Temperature resolution:??? 1 C temperature setting, 0.1 C 2.1.1.3 programmed maximum heating rate:? 120 C /? 2.1.1.4 minutes maximum running time: 999.99 minutes * 2.1.1.5 20 order / 21 platform programmed temperature 2.1.1.6 Temperature stability: <0.01 C per 1 in C environment 2.1.1.7 Temperature accuracy:?? ≤0.01 C *? 2.1.1.8 Cooling rate:? from 450 C to 50 (at 22 ℃ ambient temperature) C <240 秒 * 2.1.1.9 retention time reproducibility: