Cl+HN3产生NCl(a1Δ)和NCl(b1∑)的实验研究
Study of NCl(a1D ) and NCl(b1S ) from the reaction of HN3+Cl
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摘要: 对利用微波放电直接解离Cl2生成Cl, Cl与HN3反应生成NCl(a1Δ )和NCl(b1∑)的过程进行了实验研究。得到了较强的NCl(a1Δ 和NCl(b1∑)自发辐射光谱，考察了Cl2流量和He/Cl2配比对NCl(a1Δ 和NCl(b1∑)生成的影响。发现对于一定的He流量，Cl2流量对NCl(a1Δ 和NCl(b1∑)生成的影响存在一最佳范围，而最佳He/Cl2配比不是一定值，而是随He流量升高而变大，在实验所考察的He流量范围（5~40 L/min）内，最佳He/Cl 2配比在30∶1~100∶1之间。Abstract: NCl(a1D ) and NCl(b1S ) were produced from the reaction of HN3 with Cl generated by the microwave discharge of Cl2. The emission spectrum of NCl(a1D ) and NCl(b1S ) were observe d and their intensities dependent on the Cl2 flow rate and the ratio of He flow rate to Cl2 flow rate were investigated. The results suggest that there is a n optimum range of Cl2 flow rate for the intensity of NCl(a1D ) and NCl(b1S ) emission at a fixed He flow rate, and the optimum ratio of He flow rate to C l2 flow rate increases with the increasing He flow rate. The optimum He∶Cl2 is 30∶1 to 100∶1 under this experimental conditions（He flow rate being 5~40 L/min）.
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Key words:
- microwave discharge /
- cl2 /
- ncl
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