Isolation and Characterization of Chinese Standard Fulvic Acid Sub-fractions Separated from Forest Soil by Stepwise Elution with Pyrophosphate Buffer

por Bai, Yingchen, Wu, Fengchang, Xing, Baoshan, Meng, Wei, Shi, Guolan, Ma, Yan, Giesy, John P.
Publicado 2015