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| Cover the pill mass with three times its volume of dry acetone. Slowly bring to a gentle boil, with constant stirring. Boil for five minutes, allow to settle, decant. Continue with acetone boils until the decanted acetone is clean. Test for contaminants by adding water to decanted acetone and observing whether adulterants precipitate out. If so, continue acetone boils until acetone until it decants clear without adulterant precipitating with the addition of water. Expect three boils to be sufficient, depending on pill content and operator technique |
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ban168(½ð±Ò+1, ·ÒëEPI+1): 2011-02-17 19:58:46
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ban168(½ð±Ò+1, ·ÒëEPI+1): 2011-02-17 19:58:46
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Cover the pill mass with three times its volume of dry acetone. Slowly bring to a gentle boil, with constant stirring. Boil for five minutes, allow to settle, decant. ½«Ò©ÍèÓÃ3±¶Ìå»ýµÄÎÞË®±ûͪ½þû¡£³ÖÐø½Á°è²¢»º»º¼ÓÈÈÖÁ΢·Ð£¬±£³Ö΢·Ð5·ÖÖÓ£¬¾²Öã¬ÇãÈ¥ÉÏÇåÒº¡£ Continue with acetone boils until the decanted acetone is clean. Test for contaminants by adding water to decanted acetone and observing whether adulterants precipitate out. ¼ÌÐø¼ÓÈëÎÞË®²¡Í´Öó·Ð£¬Ö±µ½µ¹³öµÄÉÏÇåÒº³ÎÇå¡£Íùµ¹³öµÄÉÏÇåÒºÖмÓÈëË®¹Û²ìÓÐÎÞ¼ÙÐÔ³Áµí£¬½øÐÐÎÛȾÎïµÄ¼ì²â¡£ If so, continue acetone boils until acetone until it decants clear without adulterant precipitating with the addition of water. Èç¹ûÓУ¬¼ÎÐíÓñûͪÖó·ÐÖ±µ½ÉÏÇåÒº³ÎÇå²¢ÇÒ¼ÓÈëË®ºó²»²úÉú¼ÙÐÔ³Áµí¡£ Expect three boils to be sufficient, depending on pill content and operator technique ±ûͪÖó·Ð´ÎÊýÒ»°ãÈý´Î¾Í¹»ÁË£¬µ«ÊǾßÌå´ÎÊýÐèÒª¸ù¾ÝÒ©Íè³É·ÖÒÔ¼°²Ù×÷Õß¼¼ÊõÄÜÁ¦¾ö¶¨¡£ |
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