摘要
为排除Isoprime 100稳定性同位素比质谱仪在测定δ~(13)C和δ~(15)N过程中常见的故障,探讨分析系统检漏通不过、峰中心检测不合格、稳定性达不到要求等故障产生的原因,结合操作实际,从仪器测定前状态检查、测试过程监控、测试完毕各部件维护等方面总结归纳仪器故障的预防办法,同时提出了系统漏气、离子源损坏、机械泵损坏等故障的排除方法.通过采取以上措施,可以保证测试数据的准确性,减少仪器的故障率,延长仪器使用寿命,保障仪器及时高效地应用于教学和科学研究工作.
In order to eliminate the common faults of Isoprime 100 stable isotope ratios mass spectrometer in the determination ofδ_(13)C andδ^(15)N,the causes of the failure of leak detection,unqualified peak center detection and unsatisfactory stability of the system have been analyzed.Combined with the actual operation,the preventive measures of instrument faults were summarized from the aspects of pre-test state inspection,test process monitoring,maintenance of all components after test,etc.At the same time,troubleshooting methods were proposed for system leakage,ion source damage,mechanical pump damage,etc.By taking the above measures,the accuracy of test data is ensured,the failure rate of the instrument is reduced,the service life of the instrument is prolonged,and the timely and efficient application of the instrument in teaching and scientific research work is guaranteed.
作者
谷淑波
徐毅
金敏
GU Shu-bo;XU Yi;JIN Min(China College of Agronomy,Shandong Agricultral University/State Key Laboratory of Crop Biology,Tai'an 271018,Shandong China;Elementar Trading(Shanghai)Co.Ltd.,Shanghai 200123,China)
出处
《分析测试技术与仪器》
CAS
2022年第4期473-479,共7页
Analysis and Testing Technology and Instruments
基金
国家现代农业产业技术体系(No.CARS-03-18)
国家自然科学基金项目(No.31771717)。
关键词
稳定性同位素
质谱仪
故障
排除
stable isotope
mass spectrometer
fault
elimination
