摘要
本文介绍了HP9845微机对MAT261质谱计使用离子计数法直接输入内存进行实时测量控制软件方面的工作。在已修改的控制程序(NINT10)的基础上建立了计数通道。编制了离子计数法程序NINT21。采取直接取脉冲计数的方式,这样提高了灵敏度。本文介绍了NINT21程序的特点、结构、参数、变量、数组的应用,也介绍了主要程序的设计、数据的获取及处理、程序的使用以及标准铀样品实测数据与标准值的比较。
In this paper HP9845 microcomputer is applied to MAT261 mass spectrometer and software work about real time measuring and controlling procedure by means of ion counting method is reported.
MAT261 mass spectrometer controlled by HP9845 realizes full-automation. Its scanning way is fixed-point may, and using integral method take average effect. In this way, we have obtained the result of low sensitivity, but it is unfavourable to measure small samples under low counting. Therefore, based on the former procedure NINT10, we built counting channel and ompile counting method procedure NINT21 by which taking pulse counting give rise to the sengitivity. The characteristic, structure, parameter, variability and application of numerical group of NINT21 procedure are described. The main procedure design, data acquisition and processing, the application of the procedure, and the comparison of the measured data about standard uran/um samples with standard value are discussed.
出处
《质谱学报》
EI
CAS
CSCD
1992年第2期44-48,共5页
Journal of Chinese Mass Spectrometry Society
关键词
质谱计
离子计数
控制程序
测量
Mass Spectrometer, Ion Counting, Controlling Procedure
