In the present work, a multi-collector inductively coupled plasma mass spectrometer has been developed for the precise isotopic ratio analysis of the elements as well as trace elemental analysis. This mass spectrometer incorporates a forward geometry double focusing arrangement consisting of a cylindrical electrostatic analyser and a magnetic sector. The collector system of this mass spectrometer is equipped with multi-cup Faraday collectors having a width of 1.5 mm each. The paper describes the double focusing design parameters of the system with first- and second-order aberration coefficients and further demonstrates their validation through computer simulation. After validation of the individual subsystems, the complete system was characterized using standards of various elements namely Strontium, Indium, Lead, and Uranium for precise isotopic ratio measurement, sensitivity, mass resolution and detection limit. The electron multiplier detector will be incorporated at a later stage for the ultra-trace elemental analysis using fast magnetic scanning.

在目前的工作中，开发了多接收器电感耦合等离子体质谱仪，用于元素的精确同位素比分析以及痕量元素分析。该质谱仪采用前向几何双聚焦装置，由圆柱形静电分析仪和磁扇区组成。该质谱仪的收集器系统配备有宽度为1.5mm的多杯法拉第收集器。论文描述了具有一阶和二阶像差系数的系统的双聚焦设计参数，并通过计算机仿真进一步论证了其验证。在验证各个子系统后，使用各种元素（即锶、铟、铅和铀）的标准对整个系统进行表征，以实现精确的同位素比测量、灵敏度、质量分辨率和检测限。电子倍增器探测器将在稍后阶段纳入使用快速磁扫描的超痕量元素分析。