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All glassware were firstly treated with sulphochromic mixtures and then washed successively with deionized water, HPLC grade acetone, and hexane before use. Ê×ÏÈ£¬ËùÓеIJ£Á§Æ÷Ãó¶¼ÓÃsulphochromic»ìºÏÎïÇåÏ´£¬È»ºóÔÚʹÓÃǰÒÀ´ÎÓÃÈ¥Àë×ÓË®¡¢HPLC¼¶±ûͪºÍ¼ºÍé½øÐгåÏ´¡£ÎÒ¾õµÃÕâ¾ä»°µÄ·­ÒëÓ¦¸ÃÊÇÕâÑùµÄ¡£µ«ÊÇ£¬ÆäÖеÄsulphochromicÊÇʲôÒâ˼£¿ÊµÔÚ²»ÖªÑ½£¡ÇóÖú¡£
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The sulfochromic mixture is prepared by dissolving either potassium dichromate (K2Cr2O7) or sodium dichromate (Na2Cr2O7) in concentrated sulfuric acid.
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