1、 Instrument configuration:

1. GC-7890 FID detector+packed column injection port+gas injection valve (1ml quantitative tube)

2. Chromatography column: 2-3 stainless steel columns with a diameter of 2m and a diameter of 5mm, filled with siliconized glass microspheres or without any fillers (empty column)

3. Chromatography workstation: Zhejiang University N2000 or other types of workstations

4. Standard gas: N2 base gas, CH4 at 7.1mg/m3 (around 10ppm)

5. Gas source: nitrogen hydrogen air source;

6. Air hydrocarbon removal and purification device

7. Computer

2、 Analysis conditions:

Vaporization chamber: 70-100 ℃; Column temperature: 70 ℃; The flow rates of the carrier gas, hydrogen, and air are selected based on the specific conditions of the instrument; Detector temperature: 150 ℃.

The GC-7890 gas chromatograph is a multifunctional gas chromatograph recently launched by Shandong Jinpu Analytical Instrument Co., Ltd. It has a packed column injection port and a capillary injection port, with a large screen displaying both Chinese and English, and can be equipped with multiple detectors.

GC-7890 gas chromatograph - high-performance, versatile, and cost-effective.