Using his contacts he obtained raw DCA, then asked a chemist friend to buffer it and check its purity.
通过联系，他得到的是未加工的DCA，然后找化学专业的朋友为DCA进行中和并检查其纯度。
If it seems off, and yet the label claims it is pure, there are a few simple tests you can run to check the purity of the honey.
如果买来的蜂蜜看起来像是、标签上也强调那是纯正的，你可以用以下几个简便的方法检测一下那是否真的纯正。
Check purity of DNA by electrophoresis and spectrophotometric analysis.
电泳和分光光度计检测基因组dna纯度。
Check the purity of eluted protein with SDS/PAGE and identify the titer of purified antibody with immune electrophoresis.
利用蛋白质免疫印迹法或免疫电泳方法检查抗体产生情况。
Check the purity of eluted protein with SDS/PAGE and identify the titer of purified antibody with immune electrophoresis.
利用蛋白质免疫印迹法或免疫电泳方法检查抗体产生情况。
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