土壤有機質 (soil organic matter,SOM)

Sep 18, 2014

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土壤有機質 (soil organic matter,SOM). SOM 的含量背景 SOM 在土壤中的功用、組成、構造 SOM 與無機土壤組成的相互關係 SOM 與金屬和有機污染物間對環境問題的重要性. 零電點 (point of zero charge)= 等電點 (isoelectric point): 在一有 H + 、 OH - 及其他離子存在的系統中，經由表面之化學作用如吸附等，而使懸浮顆粒之表面電荷為中性，此時之 pH 值稱之為等電點。. SOM 能提供緩衝容量. 腐植質與金屬相互作用. PZC 值之相關訊息 ( 在一般土壤偏鹼的環境 ).

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土壤有機質 (soil organic matter,SOM)

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