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ＪＸＹ－１５００型超高真空析氩仪为钾一氩同位素稀释法地质年龄测定中低钾含量样 品的分析提供了一种新途径。它具有高的精密度和准确度、低的极限压强、操作简单及 维护方便等特点。在熔样、纯化以及稀释剂源方面有较大的改进，并设计了方便可靠， 国内独家的全金属大小球分样器。本文介绍了超高真空析氩仪的研制和性能试验结果。
JXY-1500 ultra-high vacuum argon precipitation instrument for potassium-argon isotope dilution geological age determination of low-potassium content of the sample analysis provides a new way. It has high precision and accuracy, low ultimate pressure, simple operation and easy maintenance. In the melting, purification and diluent sources have greatly improved, and designed a convenient and reliable, domestic exclusive all-metal ball sample splitter. This article describes the development of ultra-high vacuum argon analyzer and performance test results.