气相色谱仪的PLC调零方法研究  

Study on PLC Zeroing Method of Gas Chromatograph

作　　者：田效梅 曹乃文 宋祥坤 TIAN Xiaomei;CAO Naiwen;SONG Xiangkun(Zhonghao Guangming Research and Design Institute of Chemical Industry Co.,Ltd.,Dalian 116031,China)

机构地区：[1]中昊光明化工研究设计院有限公司,辽宁大连116031

出　　处：《低温与特气》2022年第4期39-40,54,共3页Low Temperature and Specialty Gases

摘　　要：介绍实现气相色谱仪自动调零的新方法,并对该方法进行实验验证。通过引入PLC编程达到自动调零的目的,使得多次进样的谱图基线在同一基准上。A new method to realize auto zeroing of gas chromatograph is introduced,and the method was verified by experiment.Through the introduction of PLC programming to achieve the purpose of auto zeroing,the baseline of the spectrogram of multiple injections is on the same benchmark.

关 键 词：气相色谱仪 自动调零 PLC 

分 类 号：O657.7[理学—分析化学]