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hekai16

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wxiaoqiang(½ð±Ò+17, ·­ÒëEPI+1): 2010-08-05 10:12:43
A spectrophotography  method was established for the determination of  the content  of  boron in  saline lake brine based on Azomethine H reacts with boron
ions to form complex in acid medium,and the related problems were discussed too .
2Â¥2010-08-03 22:26:03
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hekai16

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·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-04 00:11:05
wxiaoqiang(½ð±Ò+15): 2010-08-05 10:12:50
the standard curve method and standard addition method  was used ,and the results showed that the  relative standard deviation is 0.52%\0.53% respectively (n=5), the recovery rat is 99.2%,99.4%¡£
3Â¥2010-08-03 22:36:39
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