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Boric acid is a weak bacteriostatic and antimicrobial agent, and has been used in topical preparations such as eye lotions, mouthwashes and gargles. It has also been used in US- and Japanese-approved intravenous products. Boric acid is not used internally owing to its toxicity. It is poisonous by ingestion and moderately toxic by skin contact. Experimentally it has proved to be toxic by inhalation and subcutaneous routes, and moderately toxic by intraperitoneal and intravenous routes. LD50 (mouse, oral): 3.45 g/kg15 LD50 (mouse, IV): 1.24 g/kg LD50 (mouse, SC): 1.74 g/kg LD50 (rat, oral): 2.660 g/kg LD50 (rat, IV): 1.33 g/kg LD50 (rat, SC): 1.4 g/kg IIGÊý¾Ý¿â£ºÅðËá ¾²Âö×¢ÉäÓà ×î´óÓÃÁ¿0.31% ×ܵÄÀ´Ëµ£¬ÅðËỺ³åÈÜÒº¿ÉÒÔÓÃÓÚ¾²Âö×¢É䣬µ«ÓÐÒ»¶¨¶¾ÐÔ£¬×¢ÒâÏÞÁ¿ºÍ¸÷¹úÒ©Õþ·¨¹æÒªÇó¡£¶ÔÓÚ¹úÄÚ£¬ÅðËỹûÓб»SFDAÈÏ¿ÉΪ¿É¾²Âö×¢ÉäÒ©Óø¨ÁÏ£¬Òò´ËÂ¥Ö÷×îºÃ¸ÄÓÃÆäËü»º³åÈÜÒº£»Èç¹ûÊÇ×öÃÀ¹ú»òÈÕ±¾Êг¡µÄ²úÆ·£¬Ó¦¸Ã»¹ÊÇ¿ÉÒÔʹÓÃÅðËỺ³åÈÜÒºÓÃÓÚ×¢ÉäµÄ¡£ |
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3Â¥2008-06-23 16:36:02
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5Â¥2008-06-24 15:11:33














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