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以邻苯三酚 (PA)为氧自由基释放剂 ,以四氮唑蓝 (NBT)为显色剂 ,利用样品对PA自身氧化释放氧自由基的抑制作用 ,对样品清除自由基能力进行比色测定 ,效果满意。
Using pyrogallol (PA) as the oxygen free radical release agent and tetrazolium blue (NBT) as the color developing agent, the inhibition of radical scavenging oxygen free radicals on the PA by itself was studied. Color measurement, the effect is satisfactory.