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4Â¥: Originally posted by l283185688 at 2013-10-22 11:28:14
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falsemasker

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4Â¥: Originally posted by l283185688 at 2013-10-22 11:28:14
ÎÒ×ö¹ý85%Á×ËáÈÜÒº£¨ÖØË®ÖУ©£¬298KʱÊÇÔÚ4.79ppm³öµÄ£¬ÄãµÄζÈÊǶàÉÙ£¿7.2-7.3²»ÊÇHDOµÄ·å£¬Äã¿ÉÒÔ½ö½öÓÃÁ×ËáË®ÈÜÒº×ö¸öºË´Å¿´¿´£¬ºÍÕýÁ×ËáÌõ¼þ×îºÃÒ»Ñù£¬ÎÒÈÏΪÊÇÔÚÒ»´¦³ö·åµÄ¡£

ÄãºÃ ÎÒ×öÁË 85%µÄÁ×ËáºÍ73%µÄÁ×ËáµÄºË´ÅÇâÆ× ÇëÎÊÏÂΪʲôÁ½¸öÑùÆ·µÄ·åµÄλÖóöÏÖÁ˺ܴóµÄ²îÒì¡£ÇëÎÊÏÂÊÇʲôԭÒòÂð
1ºÅºË´Å 85%Á×Ëá:    1H NMR (400 MHz, DMSO) ¦Ä 9.16 (dd, J = 58.0, 13.9 Hz, 4H), 8.98 (d, J = 4.3 Hz, 1H).
2ºÅºË´Å 85%Á×Ëá¼Ó1molˮϡÊÍÖÁ73%:    1H NMR (400 MHz, DMSO) ¦Ä 7.94 ¨C 6.74 (m, 2H), 5.55 (d, J = 90.6 Hz, 1H).
6Â¥2018-01-28 12:32:52
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falsemasker

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6Â¥: Originally posted by falsemasker at 2018-01-28 12:32:52
ÄãºÃ ÎÒ×öÁË 85%µÄÁ×ËáºÍ73%µÄÁ×ËáµÄºË´ÅÇâÆ× ÇëÎÊÏÂΪʲôÁ½¸öÑùÆ·µÄ·åµÄλÖóöÏÖÁ˺ܴóµÄ²îÒì¡£ÇëÎÊÏÂÊÇʲôԭÒòÂð
1ºÅºË´Å 85%Á×Ëá:    1H NMR (400 MHz, DMSO) ¦Ä 9.16 (dd, J = 58.0, 13.9 Hz, 4H), 8.98 (d ...

85%µÄÁ×ËáºË´ÅÇâÆ×ÓÐ5¸öH ËüµÄ½á¹¹»á²»»á²»ÊÇH3PO4 ¶øÊÇÓëÄÇ1molË®½áºÏ³ÉΪH5PO5µÄ½á¹¹
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