紫外可见分光光度法直接测定高浓度六价铬溶液的光程优化研究

张榕^1,², 段宁^1,³, 降林华^1,^3,^*, 徐夫元³, 金伟³, 李建辉¹

Study on Optical Path Optimization for Direct Determination of Spectrophotometry of High Concentration Hexavalent Chromium Solution by Ultraviolet Visible Spectroscopy

ZHANG Rong^1,², DUAN Ning^1,³, JIANG Lin-hua^1,^3,^*, XU Fu-yuan³, JIN Wei³, LI Jian-hui¹

(a)不同浓度Cr(Ⅵ)溶液的紫外可见光谱曲线( b =10 mm); (b)Cr(Ⅵ)浓度为50 mg·L^-1溶液在不同光程条件下的光谱曲线