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lanshiyun

金虫 (正式写手)

[求助] 离子强度的调节方法

本人想测定原位凝胶溶液在不同离子强度下的黏度。目前只知道离子强度的计算公式,想请问一下,如何调节溶液的离子强度,是通过公式计算,还是有专门的仪器能够测定?
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lhsylvia

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离子强度计算公式:I=1/2∑cizi^2(i:第i种离子)ci:离子的物质的量浓度,zi:相应离子的价数。可以用电导仪测定,然后一般用NaCl调节
2楼2016-04-25 13:58:51
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