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Analysis of the causes of abnormal baseline problems in gas chromatographs and solutions
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Li-Qiong FU1, Fei-Fei LIU1, *, Xia YANG2, Xiao-Ming REN1, Dan LONG1
Laboratory Testing | 2024, 2(5) : 119 - 121
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Laboratory Testing | 2024, 2(5): 119-121
Evaluation and Analysis
Analysis of the causes of abnormal baseline problems in gas chromatographs and solutions
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Li-Qiong FU1, Fei-Fei LIU1, *, Xia YANG2, Xiao-Ming REN1, Dan LONG1
Affiliations
  • 1 SHCCIG Yulin Chmical Co., Ltd. Yulin 719000 China
  • 2 Shaanxi Yanchang Petroleum Yushen Energy Chemical Co., Ltd. Yulin 719000 China
Outline
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The gas chromatograph uses gas as the mobile phase, and the sample to be measured is brought into the column by the carrier gas after gasification in the gasification chamber, and the components are separated in the column and detected by the detector. The baseline is the comprehensive performance of the performance of the gas chromatograph in operation, and the failure of each part of the instrument, the change of operating conditions and external conditions and other factors will be reflected on the baseline, so the cause and location of the fault can be judged according to the baseline.

gas chromatograph  /  baseline anomaly  /  cause analysis
Li-Qiong FU, Fei-Fei LIU, Xia YANG, Xiao-Ming REN, Dan LONG. Analysis of the causes of abnormal baseline problems in gas chromatographs and solutions[J]. Laboratory Testing, 2024 , 2 (5) : 119 -121 .
Year 2024 volume 2 Issue 5
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  • Online Date:2025-07-29
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Affiliations
    1 SHCCIG Yulin Chmical Co., Ltd. Yulin 719000 China
    2 Shaanxi Yanchang Petroleum Yushen Energy Chemical Co., Ltd. Yulin 719000 China

Corresponding:

*LIU Fei-Fei, Engineer, SHCCIG Yulin Chmical Co., Ltd., Yulin 719000, China. E-mail:
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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