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3Â¥: Originally posted by xinhuazidian at 2013-09-22 14:25:52
0.04 mol•L-1 H3PO4¡¢¡¢H3BO4ºÍHAcµÄ»ìºÏÈýËáÓë0.2 mol•L-1µÄNaOHÈÜÒº°´Ò»¶¨±ÈÀý»ìºÏ£¬ÔÙÓÃËá¶È¼Æ½øÐÐËá¶ÈУÕý

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suruiqin: ½ð±Ò+1, ¹ÄÀø½»Á÷£¬»¶Ó­³£À´·ÖÎö°æ~ 2013-09-22 14:33:39
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A Britton-Robinson (BR) buffer with an ionic strength of 0.5 was prepared from an acidic solution that contained 0.04 M each of H3PO4,HOAc, and H3BO3 by adjusting to appropriate pH using 0.2 M NaOH.
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2Â¥2013-09-22 14:23:15
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suruiqin: ½ð±Ò+1, ¹ÄÀø½»Á÷£¬»¶Ó­³£À´·ÖÎö°æ~ 2013-09-22 14:34:08
³ÂÑïÔÚ»ªÊ¦: ½ð±Ò+2, ¡ïÓаïÖú 2013-09-23 21:44:08
0.04 mol•L-1 H3PO4¡¢¡¢H3BO4ºÍHAcµÄ»ìºÏÈýËáÓë0.2 mol•L-1µÄNaOHÈÜÒº°´Ò»¶¨±ÈÀý»ìºÏ£¬ÔÙÓÃËá¶È¼Æ½øÐÐËá¶ÈУÕý
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