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hxwfly2009

金虫 (正式写手)

[求助] 求助不同pH的0.1MPBS溶液配方!散30金币!

急求不同pH的0.1MPBS溶液配方!!大散金币!

[ Last edited by justinzhao on 2011-7-17 at 12:18 ]
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逍遥杰001

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hxwfly2009(金币+2): 2011-07-18 15:12:48
hxwfly2009(金币+18): 很红! 2011-07-20 10:35:10
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Originally posted by hxwfly2009 at 2011-07-17 15:28:51:
能具体点吗?配比是指把质量比还是分别溶解在水里后的体积比呢?

配比是体积比数字是几就是几毫升,总量是10ml,按比例配就好
5楼2011-07-17 17:18:02
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逍遥杰001

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hxwfly2009(金币+3): 谢谢 2011-07-17 15:25:24
1磷酸二氢钾1.3609g,2磷酸氢二钾2.2822g,即为0.1mol,pH4.49配比10:0,pH5.29配比9.75:0.25,pH5.59配比9.5:0.5,pH5.91配比9:1,pH6.24配比8:2,pH6.47配比7:3,pH6.64配比6:4,pH6.81配比5:5,pH6.98配额比4:6,pH7.17配比3:7,pH7.38配比2:8,pH7.73配比1:9,pH8.04配比0.5:9.5,pH9.18配比0:10,配比前面是1的量,后面是2的量。
2楼2011-07-17 13:59:48
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逍遥杰001

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hxwfly2009(金币+2): 谢谢 2011-07-17 15:25:36
hxwfly2009(金币+5): 2011-07-17 15:33:11
称量重量为0.1mol/l配置100ml的量。
3楼2011-07-17 14:00:37
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hxwfly2009

金虫 (正式写手)

引用回帖:
Originally posted by hxwfly2009 at 2011-07-17 11:22:38:
急求不同pH的0.1MPBS溶液配方!!大散金币!

[ Last edited by justinzhao on 2011-7-17 at 12:18 ]

能具体点吗?配比是指把质量比还是分别溶解在水里后的体积比呢?
平心静气,不多说话
4楼2011-07-17 15:28:51
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