To solve the problem of the energy reduced in ultraviolet section because of rays lengthened in atomic absorption spectrophotometer with a tandem atomizer, the way which we optimized optical path and circuit design in 4600 atomic absorption spectrophotometer with a tandem atomizer to improve the energy in ultraviolet section was focused on discussing. After tested arsenic element(193. 7nm)emphatically, result verified;the performance of edge energy, linear, characteristic quantity, precision all fited in with national standard.%为了解决串联式原子化器原子吸收分光光度计因光路延长带来的紫外区能量降低问题,重点探讨了对4600串联式原子吸收分光光度计的光路和电路进行优化设计使紫外区能量得到提高的方法.通过对砷元素(As193.7nm)边缘能量进行重点测试,结果证明:线性、特征量、精密度等指标符合国家标准.
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