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lxt1229

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frozenfox7

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lxt1229(fjtony163代发): 金币+5, 代发 2019-01-19 14:42:35
fjtony163: 翻译EPI+1, 代发 2019-01-19 14:42:42
Schollenberger and simon 就是指他俩在1945年发表的一个检测土壤阳离子交换容量的方法,简称Schollenberger‘s method。具体内容可以参考他们的这篇文章。Determination of exchange capacity and exchangeable bases in soil—ammonium acetate method.网上不容易找到。这个方法的大致意思如下:

Schollenberger’s method has been most commonly used in the measurement of CATION-EXCHANGE CAPACITY(CEC) of soils. This method involves three steps: the first is saturation of sample with NH,+ by washing with IN NH,OAc solution; the second is removal of the excess NH,OAc solution by washing with alcohol; and the third is distillation of retained NH,+ and titration of NH,+ in the distilate.
2楼2018-12-14 23:34:01
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