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mabaolin

木虫 (正式写手)

[交流] 土壤溶液怎么过滤

对土壤溶液先计数一下,看有多少微生物细胞。先对土液过滤,那么用滤纸还是脱脂棉呢?二者的过滤作用有何区别呢?是不是对微生物细胞大小有不同的适用范围呢?

[ Last edited by cad_0 on 2006-11-4 at 15:08 ]

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成木虫啦
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ftfget1

去生物版问问看
2楼2006-03-27 16:19:35
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wj_21cn

木虫 (正式写手)


steincat(金币+1):多谢参与!
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[ Last edited by wj_21cn on 2006-3-27 at 16:45 ]
3楼2006-03-27 16:44:29
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mabaolin

木虫 (正式写手)

我是不明白两种过滤方法有何区别?
成木虫啦
4楼2006-03-28 12:05:26
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玉米糊糊

你先取少量试样 采用两种方式都过虑一下 然后和原来溶液做比对 不就得出结论啦 嘿嘿
5楼2006-03-28 14:09:43
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klkfb1

木虫 (正式写手)


mabaolin(金币+1):确定?
滤纸的孔径要小于脱脂棉,所以用滤纸滤过后滤液较脱脂棉滤过后滤液澄清
6楼2006-03-30 14:42:34
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mabaolin

木虫 (正式写手)

滤纸要大于脱脂棉吧
成木虫啦
7楼2006-04-03 20:20:14
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taicheng

金虫 (职业作家)

滤纸适合用于粉末的过滤,脱脂棉用于颗粒状固体的过滤,个人决的过滤土壤溶液用滤纸好一些
8楼2006-04-04 12:42:58
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