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[单选题]
根据Lambert-Beer定律,ε的意义中,下面哪项叙述是错误的（）
A.是物质的特征性常数
B.是物质定性分析的基础
C.特定物质的ε不变
D.当液层厚度为1cm ,物质浓度为1mmol/L时在特定波长下的吸光度值
提问人：网友fz_1981
发布时间：2022-01-07
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