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研究了NaNO_2+HClO_4和NaNO_3+HClO_4两种体系对紫外和近紫外辐射的吸收。在NaNO_2+HClO_4体系中随着酸度的增加,HNO_2在350—390nm内的4个弱吸收峰(ε<10)和210nm处的强吸收峰(ε～10~4)同时逐渐减弱最后消失,而在260nm
The absorption of ultraviolet and near ultraviolet radiation by NaNO_2 + HClO_4 and NaNO_3 + HClO_4 was studied. With the increase of acidity in NaNO_2 + HClO_4 system, the four weak absorption peaks (ε <10) and the strong absorption peaks (ε ~ 10 ~ 4) in 350-390nm of HNO_2 gradually disappeared and disappeared at the same time At 260nm