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Kahn

金虫 (小有名气)

[求助] DPPH吸光值

抗氧化DPPH实验,DPPH浓度是多大的?0.02mmol/L还是0.2mmol/L。配制好后,取2mlDPPH和2ml乙醇混合后反应测得的吸光值是多少?还有想做黄酮的抗氧化实验,黄酮的浓度一般都多大?0.04、0.02、0.008、0.004 g和0.002 g•L-1,这样的浓度可以吗?和DPPH反应后的吸光值大概是多少?希望做过的前辈说一下。
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