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原子轉(zhuǎn)移自由基聚合物反應(yīng) 樣品的轉(zhuǎn)移 已有1人參與
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A 250-mL Schlenk flask fitted with a stir bar (oven-dried at 110 °C for 48 h and flame-dried under vacuum immediately prior to use) and covered with a rubber septum was charged with CuBr (981 mg, 6.84 mmol) under argon in an air bag. 請(qǐng)教,做原子轉(zhuǎn)移自由基聚合物反應(yīng)時(shí),怎么加入CuBr,under argon in an air bag,是什么意思?這個(gè)氣袋是什么樣子的?對(duì)于CuBr的純度要求高不高?另外水分的影響大嗎? 謝謝 |
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