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一、实验装置和步骤: 用直径为5—7毫米,长为20—25厘米的普通玻璃管作催化剂管,在催化剂管中放入一堆约1厘米长的片状铁锈(铂丝团或新的Cr_2O_3亦可),按下图连接:
I. Experimental setup and procedure: Using a common glass tube with a diameter of 5–7 mm and a length of 20–25 cm as the catalyst tube, place a stack of flaky rust (approximately 1 cm long) in the catalyst tube (platinum wire or The new Cr_2O_3 can also), connect as follows: