The present paper deals with a comparison of regression equations for describing arsenate adsorption by soils.Five soils including manured loessial soil,loessial soil and yellow brown earth collected from Shaanxi Province were used in experiment.The results obtatined has shown that Freundliche equation fits better for the experimental data than those and the revised ones of Temkin and Langmuir.The As adsorption curve derived from Freundliche equation is identical with the trend of variation of As adsorption measured directly,its standard deviation (S) is minimum(4.3-39.4),and the correlation coefficient (R2)is maximum(0.91-0.99).The curves derived from other equations differ greatly from their respective values measured directly.
参考文献
相似文献
引证文献
引用本文
姜永清.几种土壤对砷酸盐的吸附[J].土壤学报,1983,20(4):394-405. Jiang Yongqing. ADSORPTION OF ARSENATE BY SOILS[J]. Acta Pedologica Sinica,1983,20(4):394-405.